102111020022001 has 4 divisors (see below), whose sum is σ = 102121550197732. Its totient is φ = 102100489846272.

The previous prime is 102111020021947. The next prime is 102111020022007. The reversal of 102111020022001 is 100220020111201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52160389506225 + 49950630515776 = 7222215^2 + 7067576^2 .

It is a cyclic number.

It is not a de Polignac number, because 102111020022001 - 2¹³ = 102111020013809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111020022007) 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, 5265073320 + ... + 5265092713.

It is an arithmetic number, because the mean of its divisors is an integer number (25530387549433).

Almost surely, 2^{102111020022001} is an apocalyptic number.

It is an amenable number.

102111020022001 is a deficient number, since it is larger than the sum of its proper divisors (10530175731).

102111020022001 is an equidigital number, since it uses as much as digits as its factorization.

102111020022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530175730.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102111020022001 its reverse (100220020111201), we get a palindrome (202331040133202).

The spelling of 102111020022001 in words is "one hundred two trillion, one hundred eleven billion, twenty million, twenty-two thousand, one".