5220122051 has 4 divisors (see below), whose sum is σ = 5527188072. Its totient is φ = 4913056032.

The previous prime is 5220122029. The next prime is 5220122081. The reversal of 5220122051 is 1502210225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5220122051 - 2⁶ = 5220121987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5220122081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153532985 + ... + 153533018.

It is an arithmetic number, because the mean of its divisors is an integer number (1381797018).

Almost surely, 2^5220122051 is an apocalyptic number.

5220122051 is a deficient number, since it is larger than the sum of its proper divisors (307066021).

5220122051 is a wasteful number, since it uses less digits than its factorization.

5220122051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307066020.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5220122051 is about 72250.4121164717. The cubic root of 5220122051 is about 1734.7100148470.

Adding to 5220122051 its reverse (1502210225), we get a palindrome (6722332276).

The spelling of 5220122051 in words is "five billion, two hundred twenty million, one hundred twenty-two thousand, fifty-one".