102101201011 has 4 divisors (see below), whose sum is σ = 102880599624. Its totient is φ = 101321802400.

The previous prime is 102101200991. The next prime is 102101201023. The reversal of 102101201011 is 110102101201.

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 102101201011 - 2¹¹ = 102101198963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102101202011) 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, 389699110 + ... + 389699371.

It is an arithmetic number, because the mean of its divisors is an integer number (25720149906).

Almost surely, 2^102101201011 is an apocalyptic number.

102101201011 is a deficient number, since it is larger than the sum of its proper divisors (779398613).

102101201011 is an equidigital number, since it uses as much as digits as its factorization.

102101201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779398612.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102101201011 its reverse (110102101201), we get a palindrome (212203302212).

The spelling of 102101201011 in words is "one hundred two billion, one hundred one million, two hundred one thousand, eleven".