102020120210111 has 16 divisors (see below), whose sum is σ = 110728451616000. Its totient is φ = 93761995219200.

The previous prime is 102020120210081. The next prime is 102020120210149. The reversal of 102020120210111 is 111012021020201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102020120210111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020120210191) 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, 930123686 + ... + 930233363.

It is an arithmetic number, because the mean of its divisors is an integer number (6920528226000).

Almost surely, 2^{102020120210111} is an apocalyptic number.

102020120210111 is a deficient number, since it is larger than the sum of its proper divisors (8708331405889).

102020120210111 is a wasteful number, since it uses less digits than its factorization.

102020120210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860357170.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102020120210111 its reverse (111012021020201), we get a palindrome (213032141230312).

The spelling of 102020120210111 in words is "one hundred two trillion, twenty billion, one hundred twenty million, two hundred ten thousand, one hundred eleven".