102211102122011 has 4 divisors (see below), whose sum is σ = 108223519893912. Its totient is φ = 96198684350112.

The previous prime is 102211102122001. The next prime is 102211102122037. The reversal of 102211102122011 is 110221201112201.

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 102211102122011 - 2²⁶ = 102211035013147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6012417771883 = 102211102122011 / (1 + 0 + 2 + 2 + 1 + 1 + 1 + 0 + 2 + 1 + 2 + 2 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211102122001) 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, 3006208885925 + ... + 3006208885958.

It is an arithmetic number, because the mean of its divisors is an integer number (27055879973478).

Almost surely, 2^{102211102122011} is an apocalyptic number.

102211102122011 is a deficient number, since it is larger than the sum of its proper divisors (6012417771901).

102211102122011 is an equidigital number, since it uses as much as digits as its factorization.

102211102122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012417771900.

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

Adding to 102211102122011 its reverse (110221201112201), we get a palindrome (212432303234212).

The spelling of 102211102122011 in words is "one hundred two trillion, two hundred eleven billion, one hundred two million, one hundred twenty-two thousand, eleven".