1001211112 has 24 divisors (see below), whose sum is σ = 2063448450. Its totient is φ = 455095520.

The previous prime is 1001211089. The next prime is 1001211121. The reversal of 1001211112 is 2111121001.

It can be written as a sum of positive squares in only one way, i.e., 993888676 + 7322436 = 31526^2 + 2706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 516187 + ... + 518122.

Almost surely, 2^1001211112 is an apocalyptic number.

It is an amenable number.

1001211112 is an abundant number, since it is smaller than the sum of its proper divisors (1062237338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001211112 is a wasteful number, since it uses less digits than its factorization.

1001211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034337 (or 1034322 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1001211112 is about 31641.9201692944. The cubic root of 1001211112 is about 1000.4035411326.

Adding to 1001211112 its reverse (2111121001), we get a palindrome (3112332113).

It can be divided in two parts, 1001 and 211112, that multiplied together give a palindrome (211323112).

The spelling of 1001211112 in words is "one billion, one million, two hundred eleven thousand, one hundred twelve".