22011111220122 has 32 divisors (see below), whose sum is σ = 48914266988160. Its totient is φ = 7336934098560.

The previous prime is 22011111220121. The next prime is 22011111220127. The reversal of 22011111220122 is 22102211111022.

22011111220122 is a `hidden beast` number, since 220 + 111 + 112 + 201 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22011111220095 and 22011111220104.

It is not an unprimeable number, because it can be changed into a prime (22011111220121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072363 + ... + 6721025.

It is an arithmetic number, because the mean of its divisors is an integer number (1528570843380).

Almost surely, 2^{22011111220122} is an apocalyptic number.

22011111220122 is an abundant number, since it is smaller than the sum of its proper divisors (26903155768038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22011111220122 is a wasteful number, since it uses less digits than its factorization.

22011111220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720835 (or 5720829 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22011111220122 its reverse (22102211111022), we get a palindrome (44113322331144).

The spelling of 22011111220122 in words is "twenty-two trillion, eleven billion, one hundred eleven million, two hundred twenty thousand, one hundred twenty-two".