122100011023211 has 32 divisors (see below), whose sum is σ = 132324720998400. Its totient is φ = 111995757903744.

The previous prime is 122100011023169. The next prime is 122100011023229. The reversal of 122100011023211 is 112320110001221.

It is a happy number.

It is not a de Polignac number, because 122100011023211 - 2⁴² = 117701964512107 is a prime.

It is a super-2 number, since 2×122100011023211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122100011023211.

It is not an unprimeable number, because it can be changed into a prime (122100011022211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14812565456 + ... + 14812573698.

It is an arithmetic number, because the mean of its divisors is an integer number (4135147531200).

Almost surely, 2^{122100011023211} is an apocalyptic number.

122100011023211 is a deficient number, since it is larger than the sum of its proper divisors (10224709975189).

122100011023211 is a wasteful number, since it uses less digits than its factorization.

122100011023211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15195.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 122100011023211 its reverse (112320110001221), we get a palindrome (234420121024432).

The spelling of 122100011023211 in words is "one hundred twenty-two trillion, one hundred billion, eleven million, twenty-three thousand, two hundred eleven".