102201112311 has 4 divisors (see below), whose sum is σ = 136268149752. Its totient is φ = 68134074872.

The previous prime is 102201112291. The next prime is 102201112367. The reversal of 102201112311 is 113211102201.

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 102201112311 - 2²² = 102196918007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201112411) 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, 17033518716 + ... + 17033518721.

It is an arithmetic number, because the mean of its divisors is an integer number (34067037438).

Almost surely, 2^102201112311 is an apocalyptic number.

102201112311 is a deficient number, since it is larger than the sum of its proper divisors (34067037441).

102201112311 is an equidigital number, since it uses as much as digits as its factorization.

102201112311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34067037440.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 102201112311 its reverse (113211102201), we get a palindrome (215412214512).

The spelling of 102201112311 in words is "one hundred two billion, two hundred one million, one hundred twelve thousand, three hundred eleven".