102111010121011 has 16 divisors (see below), whose sum is σ = 106233966305280. Its totient is φ = 98074856759040.

The previous prime is 102111010120967. The next prime is 102111010121059. The reversal of 102111010121011 is 110121010111201.

It is a cyclic number.

It is not a de Polignac number, because 102111010121011 - 2²⁹ = 102110473250099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102111010120982 and 102111010121000.

It is not an unprimeable number, because it can be changed into a prime (102111010121411) 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, 42494046 + ... + 44832643.

It is an arithmetic number, because the mean of its divisors is an integer number (6639622894080).

Almost surely, 2^{102111010121011} is an apocalyptic number.

102111010121011 is a deficient number, since it is larger than the sum of its proper divisors (4122956184269).

102111010121011 is an equidigital number, since it uses as much as digits as its factorization.

102111010121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87327186.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 102111010121011 its reverse (110121010111201), we get a palindrome (212232020232212).

The spelling of 102111010121011 in words is "one hundred two trillion, one hundred eleven billion, ten million, one hundred twenty-one thousand, eleven".