2102122021207 has 8 divisors (see below), whose sum is σ = 2266375952736. Its totient is φ = 1938232695072.

The previous prime is 2102122021199. The next prime is 2102122021229. The reversal of 2102122021207 is 7021202212012.

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 2102122021207 - 2³ = 2102122021199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102122021267) 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, 91139368 + ... + 91162429.

It is an arithmetic number, because the mean of its divisors is an integer number (283296994092).

Almost surely, 2^{2102122021207} is an apocalyptic number.

2102122021207 is a deficient number, since it is larger than the sum of its proper divisors (164253931529).

2102122021207 is a wasteful number, since it uses less digits than its factorization.

2102122021207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182302697.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 2102122021207 its reverse (7021202212012), we get a palindrome (9123324233219).

The spelling of 2102122021207 in words is "two trillion, one hundred two billion, one hundred twenty-two million, twenty-one thousand, two hundred seven".