102112010211111 has 16 divisors (see below), whose sum is σ = 136853974932480. Its totient is φ = 67722921838880.

The previous prime is 102112010211067. The next prime is 102112010211137. The reversal of 102112010211111 is 111112010211201.

It is a cyclic number.

It is not a de Polignac number, because 102112010211111 - 2²² = 102112006016807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112010211151) 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, 69567675 + ... + 71020316.

It is an arithmetic number, because the mean of its divisors is an integer number (8553373433280).

Almost surely, 2^{102112010211111} is an apocalyptic number.

102112010211111 is a deficient number, since it is larger than the sum of its proper divisors (34741964721369).

102112010211111 is a wasteful number, since it uses less digits than its factorization.

102112010211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140589246.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 102112010211111 its reverse (111112010211201), we get a palindrome (213224020422312).

The spelling of 102112010211111 in words is "one hundred two trillion, one hundred twelve billion, ten million, two hundred eleven thousand, one hundred eleven".