22000021112122 has 8 divisors (see below), whose sum is σ = 33197636648736. Its totient is φ = 10934142229212.

The previous prime is 22000021112101. The next prime is 22000021112123. The reversal of 22000021112122 is 22121112000022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22000021112096 and 22000021112105.

It is not an unprimeable number, because it can be changed into a prime (22000021112123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32934163008 + ... + 32934163675.

It is an arithmetic number, because the mean of its divisors is an integer number (4149704581092).

Almost surely, 2^{22000021112122} is an apocalyptic number.

22000021112122 is a deficient number, since it is larger than the sum of its proper divisors (11197615536614).

22000021112122 is a wasteful number, since it uses less digits than its factorization.

22000021112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65868326852.

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

Adding to 22000021112122 its reverse (22121112000022), we get a palindrome (44121133112144).

The spelling of 22000021112122 in words is "twenty-two trillion, twenty-one million, one hundred twelve thousand, one hundred twenty-two".