102112202211211 has 16 divisors (see below), whose sum is σ = 108206161747200. Its totient is φ = 96092326034208.

The previous prime is 102112202211197. The next prime is 102112202211223. The reversal of 102112202211211 is 112112202211201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102112202211211 - 2⁷ = 102112202211083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102112202211281) 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, 27710856 + ... + 31178773.

It is an arithmetic number, because the mean of its divisors is an integer number (6762885109200).

Almost surely, 2^{102112202211211} is an apocalyptic number.

102112202211211 is a deficient number, since it is larger than the sum of its proper divisors (6093959535989).

102112202211211 is a wasteful number, since it uses less digits than its factorization.

102112202211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58890258.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102112202211211 its reverse (112112202211201), we get a palindrome (214224404422412).

The spelling of 102112202211211 in words is "one hundred two trillion, one hundred twelve billion, two hundred two million, two hundred eleven thousand, two hundred eleven".