211120202122122 has 48 divisors (see below), whose sum is σ = 435573978366240. Its totient is φ = 68216875607232.

The previous prime is 211120202122091. The next prime is 211120202122127. The reversal of 211120202122122 is 221221202021112.

It is not an unprimeable number, because it can be changed into a prime (211120202122127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45564568 + ... + 49983699.

It is an arithmetic number, because the mean of its divisors is an integer number (9074457882630).

Almost surely, 2^{211120202122122} is an apocalyptic number.

211120202122122 is an abundant number, since it is smaller than the sum of its proper divisors (224453776244118).

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

211120202122122 is a wasteful number, since it uses less digits than its factorization.

211120202122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95548615 (or 95548578 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211120202122122 its reverse (221221202021112), we get a palindrome (432341404143234).

The spelling of 211120202122122 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-two".