102100010210111 has 4 divisors (see below), whose sum is σ = 103830518857800. Its totient is φ = 100369501562424.

The previous prime is 102100010210101. The next prime is 102100010210161. The reversal of 102100010210111 is 111012010001201.

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 102100010210111 - 2¹⁸ = 102100009947967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102100010210092 and 102100010210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100010210101) 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, 865254323756 + ... + 865254323873.

It is an arithmetic number, because the mean of its divisors is an integer number (25957629714450).

Almost surely, 2^{102100010210111} is an apocalyptic number.

102100010210111 is a deficient number, since it is larger than the sum of its proper divisors (1730508647689).

102100010210111 is an equidigital number, since it uses as much as digits as its factorization.

102100010210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730508647688.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102100010210111 its reverse (111012010001201), we get a palindrome (213112020211312).

The spelling of 102100010210111 in words is "one hundred two trillion, one hundred billion, ten million, two hundred ten thousand, one hundred eleven".