102112201211 has 4 divisors (see below), whose sum is σ = 103404760800. Its totient is φ = 100819641624.

The previous prime is 102112201187. The next prime is 102112201319. The reversal of 102112201211 is 112102211201.

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 102112201211 - 2¹⁴ = 102112184827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102112203211) 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, 646279676 + ... + 646279833.

It is an arithmetic number, because the mean of its divisors is an integer number (25851190200).

Almost surely, 2^102112201211 is an apocalyptic number.

102112201211 is a deficient number, since it is larger than the sum of its proper divisors (1292559589).

102112201211 is an equidigital number, since it uses as much as digits as its factorization.

102112201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292559588.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102112201211 its reverse (112102211201), we get a palindrome (214214412412).

The spelling of 102112201211 in words is "one hundred two billion, one hundred twelve million, two hundred one thousand, two hundred eleven".