102001321022101 has 16 divisors (see below), whose sum is σ = 103849571594880. Its totient is φ = 100158798473280.

The previous prime is 102001321022011. The next prime is 102001321022119. The reversal of 102001321022101 is 101220123100201.

It is a cyclic number.

It is not a de Polignac number, because 102001321022101 - 2³³ = 101992731087509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001321022131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262616695 + ... + 263004811.

It is an arithmetic number, because the mean of its divisors is an integer number (6490598224680).

Almost surely, 2^{102001321022101} is an apocalyptic number.

It is an amenable number.

102001321022101 is a deficient number, since it is larger than the sum of its proper divisors (1848250572779).

102001321022101 is an equidigital number, since it uses as much as digits as its factorization.

102001321022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395484.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102001321022101 its reverse (101220123100201), we get a palindrome (203221444122302).

The spelling of 102001321022101 in words is "one hundred two trillion, one billion, three hundred twenty-one million, twenty-two thousand, one hundred one".