121200102022 has 32 divisors (see below), whose sum is σ = 202932816480. Its totient is φ = 53951546880.

The previous prime is 121200102017. The next prime is 121200102047. The reversal of 121200102022 is 220201002121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121200101993 and 121200102011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285088 + ... + 568924.

It is an arithmetic number, because the mean of its divisors is an integer number (6341650515).

Almost surely, 2^121200102022 is an apocalyptic number.

121200102022 is a deficient number, since it is larger than the sum of its proper divisors (81732714458).

121200102022 is a wasteful number, since it uses less digits than its factorization.

121200102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284536.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121200102022 its reverse (220201002121), we get a palindrome (341401104143).

Subtracting 121200102022 from its reverse (220201002121), we obtain a palindrome (99000900099).

The spelling of 121200102022 in words is "one hundred twenty-one billion, two hundred million, one hundred two thousand, twenty-two".