2102122021001 has 4 divisors (see below), whose sum is σ = 2102169212112. Its totient is φ = 2102074829892.

The previous prime is 2102122020991. The next prime is 2102122021031. The reversal of 2102122021001 is 1001202212012.

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 a de Polignac number, because none of the positive numbers 2^k-2102122021001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102122021031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23528675 + ... + 23617848.

It is an arithmetic number, because the mean of its divisors is an integer number (525542303028).

Almost surely, 2^{2102122021001} is an apocalyptic number.

It is an amenable number.

2102122021001 is a deficient number, since it is larger than the sum of its proper divisors (47191111).

2102122021001 is an equidigital number, since it uses as much as digits as its factorization.

2102122021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47191110.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102122021001 its reverse (1001202212012), we get a palindrome (3103324233013).

The spelling of 2102122021001 in words is "two trillion, one hundred two billion, one hundred twenty-two million, twenty-one thousand, one".