102001210020001 has 8 divisors (see below), whose sum is σ = 102085571016000. Its totient is φ = 101916851247120.

The previous prime is 102001210019987. The next prime is 102001210020041. The reversal of 102001210020001 is 100020012100201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102001210020001 - 2¹³ = 102001210011809 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 102001210020001.

It is not an unprimeable number, because it can be changed into a prime (102001210020041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98541306 + ... + 99571036.

It is an arithmetic number, because the mean of its divisors is an integer number (12760696377000).

Almost surely, 2^{102001210020001} is an apocalyptic number.

It is an amenable number.

102001210020001 is a deficient number, since it is larger than the sum of its proper divisors (84360995999).

102001210020001 is a wasteful number, since it uses less digits than its factorization.

102001210020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111559.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102001210020001 its reverse (100020012100201), we get a palindrome (202021222120202).

The spelling of 102001210020001 in words is "one hundred two trillion, one billion, two hundred ten million, twenty thousand, one".