121010120202210 has 32 divisors (see below), whose sum is σ = 290637678949632. Its totient is φ = 32245655335680.

The previous prime is 121010120202203. The next prime is 121010120202211. The reversal of 121010120202210 is 12202021010121.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121010120202210.

It is not an unprimeable number, because it can be changed into a prime (121010120202211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1481836714 + ... + 1481918373.

It is an arithmetic number, because the mean of its divisors is an integer number (9082427467176).

Almost surely, 2^{121010120202210} is an apocalyptic number.

121010120202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010120202210 is an abundant number, since it is smaller than the sum of its proper divisors (169627558747422).

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

121010120202210 is a wasteful number, since it uses less digits than its factorization.

121010120202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963756458.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121010120202210 its reverse (12202021010121), we get a palindrome (133212141212331).

The spelling of 121010120202210 in words is "one hundred twenty-one trillion, ten billion, one hundred twenty million, two hundred two thousand, two hundred ten".