2122102002021 has 16 divisors (see below), whose sum is σ = 2920800995328. Its totient is φ = 1369070665200.

The previous prime is 2122102002001. The next prime is 2122102002029. The reversal of 2122102002021 is 1202002012212.

It is not a de Polignac number, because 2122102002021 - 2¹⁹ = 2122101477733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122102002029) 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, 5111166 + ... + 5510736.

It is an arithmetic number, because the mean of its divisors is an integer number (182550062208).

Almost surely, 2^{2122102002021} is an apocalyptic number.

It is an amenable number.

2122102002021 is a deficient number, since it is larger than the sum of its proper divisors (798698993307).

2122102002021 is a wasteful number, since it uses less digits than its factorization.

2122102002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456712.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2122102002021 its reverse (1202002012212), we get a palindrome (3324104014233).

The spelling of 2122102002021 in words is "two trillion, one hundred twenty-two billion, one hundred two million, two thousand, twenty-one".