157222122120210 has 64 divisors (see below), whose sum is σ = 431239164198912. Its totient is φ = 35936373095616.

The previous prime is 157222122120199. The next prime is 157222122120233. The reversal of 157222122120210 is 12021221222751.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79726159 + ... + 81674381.

It is an arithmetic number, because the mean of its divisors is an integer number (6738111940608).

Almost surely, 2^{157222122120210} is an apocalyptic number.

157222122120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157222122120210 is an abundant number, since it is smaller than the sum of its proper divisors (274017042078702).

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

157222122120210 is a wasteful number, since it uses less digits than its factorization.

157222122120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332527.

The product of its (nonzero) digits is 4480, while the sum is 30.

Adding to 157222122120210 its reverse (12021221222751), we get a palindrome (169243343342961).

The spelling of 157222122120210 in words is "one hundred fifty-seven trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty thousand, two hundred ten".