102112012212011 has 4 divisors (see below), whose sum is σ = 102113435626224. Its totient is φ = 102110588797800.

The previous prime is 102112012211981. The next prime is 102112012212031. The reversal of 102112012212011 is 110212210211201.

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 102112012212011 - 2⁶ = 102112012211947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102112012212031) 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, 711599495 + ... + 711742976.

It is an arithmetic number, because the mean of its divisors is an integer number (25528358906556).

Almost surely, 2^{102112012212011} is an apocalyptic number.

102112012212011 is a deficient number, since it is larger than the sum of its proper divisors (1423414213).

102112012212011 is an equidigital number, since it uses as much as digits as its factorization.

102112012212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423414212.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102112012212011 its reverse (110212210211201), we get a palindrome (212324222423212).

The spelling of 102112012212011 in words is "one hundred two trillion, one hundred twelve billion, twelve million, two hundred twelve thousand, eleven".