121112111001022 has 64 divisors (see below), whose sum is σ = 188872515127296. Its totient is φ = 58207997484000.

The previous prime is 121112111001019. The next prime is 121112111001061. The reversal of 121112111001022 is 220100111211121.

It is a super-2 number, since 2×121112111001022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121112111000987 and 121112111001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 984886113 + ... + 985009075.

It is an arithmetic number, because the mean of its divisors is an integer number (2951133048864).

Almost surely, 2^{121112111001022} is an apocalyptic number.

121112111001022 is a deficient number, since it is larger than the sum of its proper divisors (67760404126274).

121112111001022 is a wasteful number, since it uses less digits than its factorization.

121112111001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123805.

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

Adding to 121112111001022 its reverse (220100111211121), we get a palindrome (341212222212143).

The spelling of 121112111001022 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred eleven million, one thousand, twenty-two".