2101220022022 has 32 divisors (see below), whose sum is σ = 3694954112640. Its totient is φ = 885500964480.

The previous prime is 2101220021977. The next prime is 2101220022079. The reversal of 2101220022022 is 2202200221012.

It is a super-2 number, since 2×2101220022022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101220021987 and 2101220022005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41902072 + ... + 41952187.

It is an arithmetic number, because the mean of its divisors is an integer number (115467316020).

Almost surely, 2^{2101220022022} is an apocalyptic number.

2101220022022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101220022022 is a deficient number, since it is larger than the sum of its proper divisors (1593734090618).

2101220022022 is a wasteful number, since it uses less digits than its factorization.

2101220022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83854356.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2101220022022 its reverse (2202200221012), we get a palindrome (4303420243034).

The spelling of 2101220022022 in words is "two trillion, one hundred one billion, two hundred twenty million, twenty-two thousand, twenty-two".