122101111022004 has 144 divisors (see below), whose sum is σ = 344008019234880. Its totient is φ = 36289271116800.

The previous prime is 122101111022003. The next prime is 122101111022027. The reversal of 122101111022004 is 400220111101221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101111022003) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 649922907 + ... + 650110749.

It is an arithmetic number, because the mean of its divisors is an integer number (2388944578020).

Almost surely, 2^{122101111022004} is an apocalyptic number.

It is an amenable number.

122101111022004 is an abundant number, since it is smaller than the sum of its proper divisors (221906908212876).

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

122101111022004 is a wasteful number, since it uses less digits than its factorization.

122101111022004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243790 (or 243785 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122101111022004 its reverse (400220111101221), we get a palindrome (522321222123225).

The spelling of 122101111022004 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred eleven million, twenty-two thousand, four".