121222202212210 has 64 divisors (see below), whose sum is σ = 240764408377344. Its totient is φ = 43578070502400.

The previous prime is 121222202212207. The next prime is 121222202212249. The reversal of 121222202212210 is 12212202222121.

121222202212210 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 (22).

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, 11514507 + ... + 19365646.

It is an arithmetic number, because the mean of its divisors is an integer number (3761943880896).

Almost surely, 2^{121222202212210} is an apocalyptic number.

121222202212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222202212210 is a deficient number, since it is larger than the sum of its proper divisors (119542206165134).

121222202212210 is a wasteful number, since it uses less digits than its factorization.

121222202212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30880579.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121222202212210 its reverse (12212202222121), we get a palindrome (133434404434331).

The spelling of 121222202212210 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred two million, two hundred twelve thousand, two hundred ten".