102010000020111 has 32 divisors (see below), whose sum is σ = 154268135742720. Its totient is φ = 66604406676192.

The previous prime is 102010000020107. The next prime is 102010000020119. The reversal of 102010000020111 is 111020000010201.

It is a happy number.

It is not a de Polignac number, because 102010000020111 - 2² = 102010000020107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102010000020093 and 102010000020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010000020119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162664705 + ... + 163290618.

It is an arithmetic number, because the mean of its divisors is an integer number (4820879241960).

Almost surely, 2^{102010000020111} is an apocalyptic number.

102010000020111 is a deficient number, since it is larger than the sum of its proper divisors (52258135722609).

102010000020111 is a wasteful number, since it uses less digits than its factorization.

102010000020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325955572 (or 325955566 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102010000020111 its reverse (111020000010201), we get a palindrome (213030000030312).

The spelling of 102010000020111 in words is "one hundred two trillion, ten billion, twenty thousand, one hundred eleven".