102211012111 has 8 divisors (see below), whose sum is σ = 113869032480. Its totient is φ = 91095225312.

The previous prime is 102211012087. The next prime is 102211012129. The reversal of 102211012111 is 111210112201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102211012111 - 2⁷ = 102211011983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102211012091 and 102211012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211013111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135557995 + ... + 135558748.

It is an arithmetic number, because the mean of its divisors is an integer number (14233629060).

Almost surely, 2^102211012111 is an apocalyptic number.

102211012111 is a deficient number, since it is larger than the sum of its proper divisors (11658020369).

102211012111 is a wasteful number, since it uses less digits than its factorization.

102211012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271116785.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102211012111 its reverse (111210112201), we get a palindrome (213421124312).

The spelling of 102211012111 in words is "one hundred two billion, two hundred eleven million, twelve thousand, one hundred eleven".