121022101311210 has 48 divisors (see below), whose sum is σ = 343262687358240. Its totient is φ = 29338691226720.

The previous prime is 121022101311173. The next prime is 121022101311227. The reversal of 121022101311210 is 12113101220121.

It is a happy number.

121022101311210 is a `hidden beast` number, since 1 + 21 + 0 + 22 + 101 + 311 + 210 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61122272400 + ... + 61122274379.

It is an arithmetic number, because the mean of its divisors is an integer number (7151305986630).

Almost surely, 2^{121022101311210} is an apocalyptic number.

121022101311210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022101311210 is an abundant number, since it is smaller than the sum of its proper divisors (222240586047030).

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

121022101311210 is a wasteful number, since it uses less digits than its factorization.

121022101311210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122244546803 (or 122244546800 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 121022101311210 its reverse (12113101220121), we get a palindrome (133135202531331).

The spelling of 121022101311210 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred one million, three hundred eleven thousand, two hundred ten".