2102002001022 has 64 divisors (see below), whose sum is σ = 5410431664128. Its totient is φ = 528362460000.

The previous prime is 2102002000957. The next prime is 2102002001039. The reversal of 2102002001022 is 2201002002012.

It is a junction number, because it is equal to n+sod(n) for n = 2102002000989 and 2102002001007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73369354 + ... + 73397997.

It is an arithmetic number, because the mean of its divisors is an integer number (84537994752).

Almost surely, 2^{2102002001022} is an apocalyptic number.

2102002001022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2102002001022 is an abundant number, since it is smaller than the sum of its proper divisors (3308429663106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102002001022 is a wasteful number, since it uses less digits than its factorization.

2102002001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146767405.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2102002001022 its reverse (2201002002012), we get a palindrome (4303004003034).

The spelling of 2102002001022 in words is "two trillion, one hundred two billion, two million, one thousand, twenty-two".