122220111020121 has 32 divisors (see below), whose sum is σ = 181910811264000. Its totient is φ = 81100411622784.

The previous prime is 122220111020081. The next prime is 122220111020149. The reversal of 122220111020121 is 121020111022221.

It is not a de Polignac number, because 122220111020121 - 2²⁷ = 122219976802393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122220111020094 and 122220111020103.

It is not an unprimeable number, because it can be changed into a prime (122220111020521) 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, 32469415 + ... + 36037523.

It is an arithmetic number, because the mean of its divisors is an integer number (5684712852000).

Almost surely, 2^{122220111020121} is an apocalyptic number.

It is an amenable number.

122220111020121 is a deficient number, since it is larger than the sum of its proper divisors (59690700243879).

122220111020121 is a wasteful number, since it uses less digits than its factorization.

122220111020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574030 (or 3574024 counting only the distinct ones).

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

Adding to 122220111020121 its reverse (121020111022221), we get a palindrome (243240222042342).

The spelling of 122220111020121 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred eleven million, twenty thousand, one hundred twenty-one".