121100216710 has 64 divisors (see below), whose sum is σ = 244483225344. Its totient is φ = 42800745600.

The previous prime is 121100216701. The next prime is 121100216813. The reversal of 121100216710 is 17612001121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 3936649 + ... + 3967291.

It is an arithmetic number, because the mean of its divisors is an integer number (3820050396).

Almost surely, 2^121100216710 is an apocalyptic number.

121100216710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100216710 is an abundant number, since it is smaller than the sum of its proper divisors (123383008634).

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

121100216710 is a wasteful number, since it uses less digits than its factorization.

121100216710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31669.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 121100216710 its reverse (17612001121), we get a palindrome (138712217831).

The spelling of 121100216710 in words is "one hundred twenty-one billion, one hundred million, two hundred sixteen thousand, seven hundred ten".