122111000121020 has 48 divisors (see below), whose sum is σ = 259189422307200. Its totient is φ = 48320784506880.

The previous prime is 122111000121001. The next prime is 122111000121031. The reversal of 122111000121020 is 20121000111221.

It is a super-2 number, since 2×122111000121020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111000120986 and 122111000121004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42295460 + ... + 45090219.

It is an arithmetic number, because the mean of its divisors is an integer number (5399779631400).

Almost surely, 2^{122111000121020} is an apocalyptic number.

122111000121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111000121020 is an abundant number, since it is smaller than the sum of its proper divisors (137078422186180).

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

122111000121020 is a wasteful number, since it uses less digits than its factorization.

122111000121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87386438 (or 87386436 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122111000121020 its reverse (20121000111221), we get a palindrome (142232000232241).

The spelling of 122111000121020 in words is "one hundred twenty-two trillion, one hundred eleven billion, one hundred twenty-one thousand, twenty".