2021222112026 has 64 divisors (see below), whose sum is σ = 3450196512000. Its totient is φ = 886316827968.

The previous prime is 2021222111977. The next prime is 2021222112031. The reversal of 2021222112026 is 6202112221202.

It is a super-2 number, since 2×2021222112026² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2021222111992 and 2021222112010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14991125 + ... + 15125351.

It is an arithmetic number, because the mean of its divisors is an integer number (53909320500).

Almost surely, 2^{2021222112026} is an apocalyptic number.

2021222112026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2021222112026 is a deficient number, since it is larger than the sum of its proper divisors (1428974399974).

2021222112026 is a wasteful number, since it uses less digits than its factorization.

2021222112026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134440 (or 134414 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2021222112026 its reverse (6202112221202), we get a palindrome (8223334333228).

The spelling of 2021222112026 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, twenty-six".