102202101120221 has 4 divisors (see below), whose sum is σ = 102202132910592. Its totient is φ = 102202069329852.

The previous prime is 102202101120209. The next prime is 102202101120269. The reversal of 102202101120221 is 122021101202201.

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 102202101120221 - 2³⁴ = 102184921251037 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 102202101120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202101120421) 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, 10451411 + ... + 17709776.

It is an arithmetic number, because the mean of its divisors is an integer number (25550533227648).

Almost surely, 2^{102202101120221} is an apocalyptic number.

It is an amenable number.

102202101120221 is a deficient number, since it is larger than the sum of its proper divisors (31790371).

102202101120221 is an equidigital number, since it uses as much as digits as its factorization.

102202101120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31790370.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102202101120221 its reverse (122021101202201), we get a palindrome (224223202322422).

The spelling of 102202101120221 in words is "one hundred two trillion, two hundred two billion, one hundred one million, one hundred twenty thousand, two hundred twenty-one".