102021022001 has 4 divisors (see below), whose sum is σ = 104393603952. Its totient is φ = 99648440052.

The previous prime is 102021021967. The next prime is 102021022027. The reversal of 102021022001 is 100220120201.

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 a de Polignac number, because none of the positive numbers 2^k-102021022001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021322001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186290911 + ... + 1186290996.

It is an arithmetic number, because the mean of its divisors is an integer number (26098400988).

Almost surely, 2^102021022001 is an apocalyptic number.

It is an amenable number.

102021022001 is a deficient number, since it is larger than the sum of its proper divisors (2372581951).

102021022001 is an equidigital number, since it uses as much as digits as its factorization.

102021022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372581950.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102021022001 its reverse (100220120201), we get a palindrome (202241142202).

The spelling of 102021022001 in words is "one hundred two billion, twenty-one million, twenty-two thousand, one".