102132220211 has 4 divisors (see below), whose sum is σ = 116722537392. Its totient is φ = 87541903032.

The previous prime is 102132220181. The next prime is 102132220231. The reversal of 102132220211 is 112022231201.

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 102132220211 - 2⁶ = 102132220147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102132220211.

It is not an unprimeable number, because it can be changed into a prime (102132220231) 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, 7295158580 + ... + 7295158593.

It is an arithmetic number, because the mean of its divisors is an integer number (29180634348).

Almost surely, 2^102132220211 is an apocalyptic number.

102132220211 is a deficient number, since it is larger than the sum of its proper divisors (14590317181).

102132220211 is an equidigital number, since it uses as much as digits as its factorization.

102132220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590317180.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102132220211 its reverse (112022231201), we get a palindrome (214154451412).

The spelling of 102132220211 in words is "one hundred two billion, one hundred thirty-two million, two hundred twenty thousand, two hundred eleven".