102021201121001 has 16 divisors (see below), whose sum is σ = 104538659097600. Its totient is φ = 99505134960000.

The previous prime is 102021201120991. The next prime is 102021201121003. The reversal of 102021201121001 is 100121102120201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102021201121001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021201121003) 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, 2649813251 + ... + 2649851751.

It is an arithmetic number, because the mean of its divisors is an integer number (6533666193600).

Almost surely, 2^{102021201121001} is an apocalyptic number.

It is an amenable number.

102021201121001 is a deficient number, since it is larger than the sum of its proper divisors (2517457976599).

102021201121001 is an equidigital number, since it uses as much as digits as its factorization.

102021201121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54880.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102021201121001 its reverse (100121102120201), we get a palindrome (202142303241202).

The spelling of 102021201121001 in words is "one hundred two trillion, twenty-one billion, two hundred one million, one hundred twenty-one thousand, one".