22012021010122 has 32 divisors (see below), whose sum is σ = 38790874987200. Its totient is φ = 9235703406720.

The previous prime is 22012021010081. The next prime is 22012021010129. The reversal of 22012021010122 is 22101012021022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22012021010096 and 22012021010105.

It is not an unprimeable number, because it can be changed into a prime (22012021010129) by changing a digit.

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, 26452254 + ... + 27271702.

It is an arithmetic number, because the mean of its divisors is an integer number (1212214843350).

Almost surely, 2^{22012021010122} is an apocalyptic number.

22012021010122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22012021010122 is a deficient number, since it is larger than the sum of its proper divisors (16778853977078).

22012021010122 is a wasteful number, since it uses less digits than its factorization.

22012021010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913398.

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

Adding to 22012021010122 its reverse (22101012021022), we get a palindrome (44113033031144).

The spelling of 22012021010122 in words is "twenty-two trillion, twelve billion, twenty-one million, ten thousand, one hundred twenty-two".