102121102001 has 4 divisors (see below), whose sum is σ = 102132079104. Its totient is φ = 102110124900.

The previous prime is 102121101959. The next prime is 102121102037. The reversal of 102121102001 is 100201121201.

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 not a de Polignac number, because 102121102001 - 2⁶ = 102121101937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102121102301) 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, 5474585 + ... + 5493206.

It is an arithmetic number, because the mean of its divisors is an integer number (25533019776).

Almost surely, 2^102121102001 is an apocalyptic number.

It is an amenable number.

102121102001 is a deficient number, since it is larger than the sum of its proper divisors (10977103).

102121102001 is an equidigital number, since it uses as much as digits as its factorization.

102121102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10977102.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102121102001 its reverse (100201121201), we get a palindrome (202322223202).

The spelling of 102121102001 in words is "one hundred two billion, one hundred twenty-one million, one hundred two thousand, one".