2102242621001 has 4 divisors (see below), whose sum is σ = 2193644474112. Its totient is φ = 2010840767892.

The previous prime is 2102242620991. The next prime is 2102242621021. The reversal of 2102242621001 is 1001262422012.

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 2102242621001 - 2¹⁰ = 2102242619977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 91401853087 = 2102242621001 / (2 + 1 + 0 + 2 + 2 + 4 + 2 + 6 + 2 + 1 + 0 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2102242621021) 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, 45700926521 + ... + 45700926566.

It is an arithmetic number, because the mean of its divisors is an integer number (548411118528).

Almost surely, 2^{2102242621001} is an apocalyptic number.

It is an amenable number.

2102242621001 is a deficient number, since it is larger than the sum of its proper divisors (91401853111).

2102242621001 is an equidigital number, since it uses as much as digits as its factorization.

2102242621001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91401853110.

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 2102242621001 in words is "two trillion, one hundred two billion, two hundred forty-two million, six hundred twenty-one thousand, one".