2101020121022 has 64 divisors (see below), whose sum is σ = 3358081843200. Its totient is φ = 983843540064.

The previous prime is 2101020121019. The next prime is 2101020121027. The reversal of 2101020121022 is 2201210201012.

It is a junction number, because it is equal to n+sod(n) for n = 2101020120988 and 2101020121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101020121027) 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, 228391979 + ... + 228401177.

It is an arithmetic number, because the mean of its divisors is an integer number (52470028800).

Almost surely, 2^{2101020121022} is an apocalyptic number.

2101020121022 is a deficient number, since it is larger than the sum of its proper divisors (1257061722178).

2101020121022 is a wasteful number, since it uses less digits than its factorization.

2101020121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9837.

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

Adding to 2101020121022 its reverse (2201210201012), we get a palindrome (4302230322034).

The spelling of 2101020121022 in words is "two trillion, one hundred one billion, twenty million, one hundred twenty-one thousand, twenty-two".