2100100323111 has 16 divisors (see below), whose sum is σ = 3201023307264. Its totient is φ = 1199730914784.

The previous prime is 2100100323029. The next prime is 2100100323119. The reversal of 2100100323111 is 1113230010012.

It is a happy number.

It is not a de Polignac number, because 2100100323111 - 2⁹ = 2100100322599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100100323119) 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, 13521475 + ... + 13675908.

It is an arithmetic number, because the mean of its divisors is an integer number (200063956704).

Almost surely, 2^{2100100323111} is an apocalyptic number.

2100100323111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2100100323111 is a deficient number, since it is larger than the sum of its proper divisors (1100922984153).

2100100323111 is a wasteful number, since it uses less digits than its factorization.

2100100323111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27201070.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2100100323111 its reverse (1113230010012), we get a palindrome (3213330333123).

The spelling of 2100100323111 in words is "two trillion, one hundred billion, one hundred million, three hundred twenty-three thousand, one hundred eleven".