123020200002111 has 16 divisors (see below), whose sum is σ = 169092078961920. Its totient is φ = 79518977657280.

The previous prime is 123020200002109. The next prime is 123020200002131. The reversal of 123020200002111 is 111200002020321.

It is not a de Polignac number, because 123020200002111 - 2¹ = 123020200002109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020200002131) 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, 4760462275 + ... + 4760488116.

It is an arithmetic number, because the mean of its divisors is an integer number (10568254935120).

Almost surely, 2^{123020200002111} is an apocalyptic number.

123020200002111 is a deficient number, since it is larger than the sum of its proper divisors (46071878959809).

123020200002111 is an equidigital number, since it uses as much as digits as its factorization.

123020200002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9520950526.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 123020200002111 its reverse (111200002020321), we get a palindrome (234220202022432).

The spelling of 123020200002111 in words is "one hundred twenty-three trillion, twenty billion, two hundred million, two thousand, one hundred eleven".