102100222021111 has 4 divisors (see below), whose sum is σ = 102106833460632. Its totient is φ = 102093610581592.

The previous prime is 102100222021043. The next prime is 102100222021151. The reversal of 102100222021111 is 111120222001201.

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 102100222021111 - 2³⁵ = 102065862282743 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 (102100222021151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3305696596 + ... + 3305727481.

It is an arithmetic number, because the mean of its divisors is an integer number (25526708365158).

Almost surely, 2^{102100222021111} is an apocalyptic number.

102100222021111 is a deficient number, since it is larger than the sum of its proper divisors (6611439521).

102100222021111 is an equidigital number, since it uses as much as digits as its factorization.

102100222021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611439520.

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

Adding to 102100222021111 its reverse (111120222001201), we get a palindrome (213220444022312).

The spelling of 102100222021111 in words is "one hundred two trillion, one hundred billion, two hundred twenty-two million, twenty-one thousand, one hundred eleven".