122111000121004 has 24 divisors (see below), whose sum is σ = 216884382640128. Its totient is φ = 60144039249360.

The previous prime is 122111000121001. The next prime is 122111000121031. The reversal of 122111000121004 is 400121000111221.

It is a super-2 number, since 2×122111000121004² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111000121001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137788149 + ... + 138671539.

It is an arithmetic number, because the mean of its divisors is an integer number (9036849276672).

Almost surely, 2^{122111000121004} is an apocalyptic number.

It is an amenable number.

122111000121004 is a deficient number, since it is larger than the sum of its proper divisors (94773382519124).

122111000121004 is a wasteful number, since it uses less digits than its factorization.

122111000121004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399245 (or 1399243 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122111000121004 its reverse (400121000111221), we get a palindrome (522232000232225).

The spelling of 122111000121004 in words is "one hundred twenty-two trillion, one hundred eleven billion, one hundred twenty-one thousand, four".