2101121022022 has 32 divisors (see below), whose sum is σ = 3610536539904. Its totient is φ = 907712176800.

The previous prime is 2101121022017. The next prime is 2101121022037. The reversal of 2101121022022 is 2202201211012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2101121021987 and 2101121022005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13144804 + ... + 13303687.

It is an arithmetic number, because the mean of its divisors is an integer number (112829266872).

Almost surely, 2^{2101121022022} is an apocalyptic number.

2101121022022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101121022022 is a deficient number, since it is larger than the sum of its proper divisors (1509415517882).

2101121022022 is a wasteful number, since it uses less digits than its factorization.

2101121022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26448684.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2101121022022 its reverse (2202201211012), we get a palindrome (4303322233034).

The spelling of 2101121022022 in words is "two trillion, one hundred one billion, one hundred twenty-one million, twenty-two thousand, twenty-two".