121002011112210 has 64 divisors (see below), whose sum is σ = 294688258824960. Its totient is φ = 31794537104640.

The previous prime is 121002011112139. The next prime is 121002011112239. The reversal of 121002011112210 is 12211110200121.

It is a happy number.

121002011112210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121002011112210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121002011112210.

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, 101628222 + ... + 102811961.

It is an arithmetic number, because the mean of its divisors is an integer number (4604504044140).

Almost surely, 2^{121002011112210} is an apocalyptic number.

121002011112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002011112210 is an abundant number, since it is smaller than the sum of its proper divisors (173686247712750).

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

121002011112210 is a wasteful number, since it uses less digits than its factorization.

121002011112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204440483.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121002011112210 its reverse (12211110200121), we get a palindrome (133213121312331).

The spelling of 121002011112210 in words is "one hundred twenty-one trillion, two billion, eleven million, one hundred twelve thousand, two hundred ten".