102102102122011 has 4 divisors (see below), whose sum is σ = 102102130812024. Its totient is φ = 102102073432000.

The previous prime is 102102102121969. The next prime is 102102102122023. The reversal of 102102102122011 is 110221201201201.

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 102102102122011 - 2⁷ = 102102102121883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102102102122311) 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, 8100790 + ... + 16426411.

It is an arithmetic number, because the mean of its divisors is an integer number (25525532703006).

Almost surely, 2^{102102102122011} is an apocalyptic number.

102102102122011 is a deficient number, since it is larger than the sum of its proper divisors (28690013).

102102102122011 is an equidigital number, since it uses as much as digits as its factorization.

102102102122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28690012.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102102102122011 its reverse (110221201201201), we get a palindrome (212323303323212).

The spelling of 102102102122011 in words is "one hundred two trillion, one hundred two billion, one hundred two million, one hundred twenty-two thousand, eleven".