121202012210022 has 64 divisors (see below), whose sum is σ = 273363328627200. Its totient is φ = 39796866695520.

The previous prime is 121202012209987. The next prime is 121202012210063. The reversal of 121202012210022 is 220012210202121.

It is a happy number.

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 = 121202012209977 and 121202012210004.

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, 192818679 + ... + 193446237.

It is an arithmetic number, because the mean of its divisors is an integer number (4271302009800).

Almost surely, 2^{121202012210022} is an apocalyptic number.

121202012210022 is an abundant number, since it is smaller than the sum of its proper divisors (152161316417178).

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

121202012210022 is a wasteful number, since it uses less digits than its factorization.

121202012210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681018 (or 681012 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121202012210022 its reverse (220012210202121), we get a palindrome (341214222412143).

The spelling of 121202012210022 in words is "one hundred twenty-one trillion, two hundred two billion, twelve million, two hundred ten thousand, twenty-two".