2100012001022 has 64 divisors (see below), whose sum is σ = 3437052562944. Its totient is φ = 956553736320.

The previous prime is 2100012000953. The next prime is 2100012001027. The reversal of 2100012001022 is 2201002100012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100012000994 and 2100012001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100012001027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 545881103 + ... + 545884949.

It is an arithmetic number, because the mean of its divisors is an integer number (53703946296).

Almost surely, 2^{2100012001022} is an apocalyptic number.

2100012001022 is a deficient number, since it is larger than the sum of its proper divisors (1337040561922).

2100012001022 is a wasteful number, since it uses less digits than its factorization.

2100012001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100012001022 its reverse (2201002100012), we get a palindrome (4301014101034).

The spelling of 2100012001022 in words is "two trillion, one hundred billion, twelve million, one thousand, twenty-two".