2101002121022 has 16 divisors (see below), whose sum is σ = 3601895338080. Its totient is φ = 900385126368.

The previous prime is 2101002120991. The next prime is 2101002121027. The reversal of 2101002121022 is 2201212001012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2101002120988 and 2101002121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101002121027) 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, 3400997 + ... + 3970992.

It is an arithmetic number, because the mean of its divisors is an integer number (225118458630).

Almost surely, 2^{2101002121022} is an apocalyptic number.

2101002121022 is a deficient number, since it is larger than the sum of its proper divisors (1500893217058).

2101002121022 is a wasteful number, since it uses less digits than its factorization.

2101002121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392355.

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

Adding to 2101002121022 its reverse (2201212001012), we get a palindrome (4302214122034).

The spelling of 2101002121022 in words is "two trillion, one hundred one billion, two million, one hundred twenty-one thousand, twenty-two".