22012021201022 has 16 divisors (see below), whose sum is σ = 33511051537920. Its totient is φ = 10841672779608.

The previous prime is 22012021200979. The next prime is 22012021201097. The reversal of 22012021201022 is 22010212021022.

It is a happy number.

It is a super-2 number, since 2×22012021201022² (a number of 27 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 25380179 + ... + 26233137.

It is an arithmetic number, because the mean of its divisors is an integer number (2094440721120).

Almost surely, 2^{22012021201022} is an apocalyptic number.

22012021201022 is a deficient number, since it is larger than the sum of its proper divisors (11499030336898).

22012021201022 is a wasteful number, since it uses less digits than its factorization.

22012021201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045615.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22012021201022 its reverse (22010212021022), we get a palindrome (44022233222044).

The spelling of 22012021201022 in words is "twenty-two trillion, twelve billion, twenty-one million, two hundred one thousand, twenty-two".