2122156351 has 16 divisors (see below), whose sum is σ = 2487159360. Its totient is φ = 1772709120.

The previous prime is 2122156327. The next prime is 2122156363. The reversal of 2122156351 is 1536512212.

It is not a de Polignac number, because 2122156351 - 2⁵ = 2122156319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122156301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303345 + ... + 310261.

It is an arithmetic number, because the mean of its divisors is an integer number (155447460).

Almost surely, 2^2122156351 is an apocalyptic number.

2122156351 is a deficient number, since it is larger than the sum of its proper divisors (365003009).

2122156351 is a wasteful number, since it uses less digits than its factorization.

2122156351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034.

The product of its digits is 3600, while the sum is 28.

The square root of 2122156351 is about 46066.8682569154. The cubic root of 2122156351 is about 1285.0670630718.

Adding to 2122156351 its reverse (1536512212), we get a palindrome (3658668563).

The spelling of 2122156351 in words is "two billion, one hundred twenty-two million, one hundred fifty-six thousand, three hundred fifty-one".