102221000022001 has 4 divisors (see below), whose sum is σ = 116824000025152. Its totient is φ = 87618000018852.

The previous prime is 102221000021989. The next prime is 102221000022023. The reversal of 102221000022001 is 100220000122201.

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 102221000022001 - 2¹⁹ = 102220999497713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102221000022091) 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, 7301500001565 + ... + 7301500001578.

It is an arithmetic number, because the mean of its divisors is an integer number (29206000006288).

Almost surely, 2^{102221000022001} is an apocalyptic number.

It is an amenable number.

102221000022001 is a deficient number, since it is larger than the sum of its proper divisors (14603000003151).

102221000022001 is an equidigital number, since it uses as much as digits as its factorization.

102221000022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603000003150.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102221000022001 its reverse (100220000122201), we get a palindrome (202441000144202).

The spelling of 102221000022001 in words is "one hundred two trillion, two hundred twenty-one billion, twenty-two thousand, one".