102100202122111 has 4 divisors (see below), whose sum is σ = 102120464124000. Its totient is φ = 102079940120224.

The previous prime is 102100202122099. The next prime is 102100202122133. The reversal of 102100202122111 is 111221202001201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102100202122111 - 2¹⁵ = 102100202089343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100202122151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10130993386 + ... + 10131003463.

It is an arithmetic number, because the mean of its divisors is an integer number (25530116031000).

Almost surely, 2^{102100202122111} is an apocalyptic number.

102100202122111 is a deficient number, since it is larger than the sum of its proper divisors (20262001889).

102100202122111 is an equidigital number, since it uses as much as digits as its factorization.

102100202122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20262001888.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102100202122111 its reverse (111221202001201), we get a palindrome (213321404123312).

The spelling of 102100202122111 in words is "one hundred two trillion, one hundred billion, two hundred two million, one hundred twenty-two thousand, one hundred eleven".