2116720122102 has 48 divisors (see below), whose sum is σ = 4744783592640. Its totient is φ = 681184256256.

The previous prime is 2116720122053. The next prime is 2116720122169. The reversal of 2116720122102 is 2012210276112.

It is a happy number.

It is a congruent number.

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, 6069843 + ... + 6409089.

It is an arithmetic number, because the mean of its divisors is an integer number (98849658180).

Almost surely, 2^{2116720122102} is an apocalyptic number.

2116720122102 is an abundant number, since it is smaller than the sum of its proper divisors (2628063470538).

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

2116720122102 is a wasteful number, since it uses less digits than its factorization.

2116720122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351237 (or 351234 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

Adding to 2116720122102 its reverse (2012210276112), we get a palindrome (4128930398214).

The spelling of 2116720122102 in words is "two trillion, one hundred sixteen billion, seven hundred twenty million, one hundred twenty-two thousand, one hundred two".