121011011220022 has 72 divisors (see below), whose sum is σ = 240798039664392. Its totient is φ = 45097271049600.

The previous prime is 121011011219993. The next prime is 121011011220079. The reversal of 121011011220022 is 220022110110121.

It is a junction number, because it is equal to n+sod(n) for n = 121011011219978 and 121011011220005.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 105530979 + ... + 106671502.

It is an arithmetic number, because the mean of its divisors is an integer number (3344417217561).

Almost surely, 2^{121011011220022} is an apocalyptic number.

121011011220022 is a deficient number, since it is larger than the sum of its proper divisors (119787028444370).

121011011220022 is a wasteful number, since it uses less digits than its factorization.

121011011220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212202554 (or 212202524 counting only the distinct ones).

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

Adding to 121011011220022 its reverse (220022110110121), we get a palindrome (341033121330143).

The spelling of 121011011220022 in words is "one hundred twenty-one trillion, eleven billion, eleven million, two hundred twenty thousand, twenty-two".