121311120002210 has 32 divisors (see below), whose sum is σ = 229858833533760. Its totient is φ = 45969292663488.

The previous prime is 121311120002203. The next prime is 121311120002213. The reversal of 121311120002210 is 12200021113121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121311120002213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495637 + ... + 15647976.

It is an arithmetic number, because the mean of its divisors is an integer number (7183088547930).

Almost surely, 2^{121311120002210} is an apocalyptic number.

121311120002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121311120002210 is a deficient number, since it is larger than the sum of its proper divisors (108547713531550).

121311120002210 is a wasteful number, since it uses less digits than its factorization.

121311120002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17180882.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121311120002210 its reverse (12200021113121), we get a palindrome (133511141115331).

The spelling of 121311120002210 in words is "one hundred twenty-one trillion, three hundred eleven billion, one hundred twenty million, two thousand, two hundred ten".