121112012201022 has 48 divisors (see below), whose sum is σ = 279644387143680. Its totient is φ = 37793819404176.

The previous prime is 121112012201003. The next prime is 121112012201023. The reversal of 121112012201022 is 220102210211121.

121112012201022 is a `hidden beast` number, since 1 + 211 + 1 + 201 + 220 + 10 + 22 = 666.

121112012201022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121112012200986 and 121112012201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112012201023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3112119822 + ... + 3112158737.

It is an arithmetic number, because the mean of its divisors is an integer number (5825924732160).

Almost surely, 2^{121112012201022} is an apocalyptic number.

121112012201022 is an abundant number, since it is smaller than the sum of its proper divisors (158532374942658).

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

121112012201022 is a wasteful number, since it uses less digits than its factorization.

121112012201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6224278637 (or 6224278634 counting only the distinct ones).

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

Adding to 121112012201022 its reverse (220102210211121), we get a palindrome (341214222412143).

The spelling of 121112012201022 in words is "one hundred twenty-one trillion, one hundred twelve billion, twelve million, two hundred one thousand, twenty-two".