202011222010123 has 16 divisors (see below), whose sum is σ = 215904386041344. Its totient is φ = 188341591455360.

The previous prime is 202011222010097. The next prime is 202011222010127. The reversal of 202011222010123 is 321010222110202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202011222010123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202011222010123.

It is not an unprimeable number, because it can be changed into a prime (202011222010127) 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, 32518738 + ... + 38229448.

It is an arithmetic number, because the mean of its divisors is an integer number (13494024127584).

Almost surely, 2^{202011222010123} is an apocalyptic number.

202011222010123 is a deficient number, since it is larger than the sum of its proper divisors (13893164031221).

202011222010123 is a wasteful number, since it uses less digits than its factorization.

202011222010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730282.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 202011222010123 its reverse (321010222110202), we get a palindrome (523021444120325).

The spelling of 202011222010123 in words is "two hundred two trillion, eleven billion, two hundred twenty-two million, ten thousand, one hundred twenty-three".