102100012211011 has 4 divisors (see below), whose sum is σ = 102109583798712. Its totient is φ = 102090440623312.

The previous prime is 102100012210979. The next prime is 102100012211017. The reversal of 102100012211011 is 110112210001201.

It is a happy number.

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 102100012211011 - 2⁵ = 102100012210979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102100012210982 and 102100012211000.

It is not an unprimeable number, because it can be changed into a prime (102100012211017) 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, 4785777850 + ... + 4785799183.

It is an arithmetic number, because the mean of its divisors is an integer number (25527395949678).

Almost surely, 2^{102100012211011} is an apocalyptic number.

102100012211011 is a deficient number, since it is larger than the sum of its proper divisors (9571587701).

102100012211011 is an equidigital number, since it uses as much as digits as its factorization.

102100012211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9571587700.

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

Adding to 102100012211011 its reverse (110112210001201), we get a palindrome (212212222212212).

The spelling of 102100012211011 in words is "one hundred two trillion, one hundred billion, twelve million, two hundred eleven thousand, eleven".