102201111202101 has 4 divisors (see below), whose sum is σ = 136268148269472. Its totient is φ = 68134074134732.

The previous prime is 102201111202097. The next prime is 102201111202129. The reversal of 102201111202101 is 101202111102201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102201111202101 - 2² = 102201111202097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201111202171) 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, 17033518533681 + ... + 17033518533686.

It is an arithmetic number, because the mean of its divisors is an integer number (34067037067368).

Almost surely, 2^{102201111202101} is an apocalyptic number.

It is an amenable number.

102201111202101 is a deficient number, since it is larger than the sum of its proper divisors (34067037067371).

102201111202101 is an equidigital number, since it uses as much as digits as its factorization.

102201111202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34067037067370.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102201111202101 its reverse (101202111102201), we get a palindrome (203403222304302).

The spelling of 102201111202101 in words is "one hundred two trillion, two hundred one billion, one hundred eleven million, two hundred two thousand, one hundred one".