102112100001011 has 4 divisors (see below), whose sum is σ = 102702343353792. Its totient is φ = 101521856648232.

The previous prime is 102112100000993. The next prime is 102112100001031. The reversal of 102112100001011 is 110100001211201.

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 102112100001011 - 2¹⁸ = 102112099738867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102112100000983 and 102112100001001.

It is not an unprimeable number, because it can be changed into a prime (102112100001031) 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, 295121676131 + ... + 295121676476.

It is an arithmetic number, because the mean of its divisors is an integer number (25675585838448).

Almost surely, 2^{102112100001011} is an apocalyptic number.

102112100001011 is a deficient number, since it is larger than the sum of its proper divisors (590243352781).

102112100001011 is an equidigital number, since it uses as much as digits as its factorization.

102112100001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590243352780.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102112100001011 its reverse (110100001211201), we get a palindrome (212212101212212).

The spelling of 102112100001011 in words is "one hundred two trillion, one hundred twelve billion, one hundred million, one thousand, eleven".