197021131122 has 32 divisors (see below), whose sum is σ = 403957903104. Its totient is φ = 64023523200.

The previous prime is 197021131037. The next prime is 197021131127. The reversal of 197021131122 is 221131120791.

It is a super-2 number, since 2×197021131122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 197021131122.

It is not an unprimeable number, because it can be changed into a prime (197021131127) 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, 24672 + ... + 628212.

It is an arithmetic number, because the mean of its divisors is an integer number (12623684472).

Almost surely, 2^197021131122 is an apocalyptic number.

197021131122 is an abundant number, since it is smaller than the sum of its proper divisors (206936771982).

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

197021131122 is a wasteful number, since it uses less digits than its factorization.

197021131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604914.

The product of its (nonzero) digits is 1512, while the sum is 30.

The spelling of 197021131122 in words is "one hundred ninety-seven billion, twenty-one million, one hundred thirty-one thousand, one hundred twenty-two".