2211150681 has 24 divisors (see below), whose sum is σ = 3232130304. Its totient is φ = 1456509600.

The previous prime is 2211150677. The next prime is 2211150691. The reversal of 2211150681 is 1860511122.

It is not a de Polignac number, because 2211150681 - 2² = 2211150677 is a prime.

It is a super-2 number, since 2×2211150681² = 9778374668173527522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2211150691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 495000 + ... + 499446.

It is an arithmetic number, because the mean of its divisors is an integer number (134672096).

Almost surely, 2^2211150681 is an apocalyptic number.

It is an amenable number.

2211150681 is a deficient number, since it is larger than the sum of its proper divisors (1020979623).

2211150681 is a wasteful number, since it uses less digits than its factorization.

2211150681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 2211150681 is about 47022.8740189283. The cubic root of 2211150681 is about 1302.7850903661.

The spelling of 2211150681 in words is "two billion, two hundred eleven million, one hundred fifty thousand, six hundred eighty-one".