22111010220012 has 48 divisors (see below), whose sum is σ = 58962974337792. Its totient is φ = 6317401446720.

The previous prime is 22111010220011. The next prime is 22111010220029. The reversal of 22111010220012 is 21002201011122.

It is a super-2 number, since 2×22111010220012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22111010219973 and 22111010220000.

It is not an unprimeable number, because it can be changed into a prime (22111010220011) 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, 21967087 + ... + 22951577.

It is an arithmetic number, because the mean of its divisors is an integer number (1228395298704).

Almost surely, 2^{22111010220012} is an apocalyptic number.

It is an amenable number.

22111010220012 is an abundant number, since it is smaller than the sum of its proper divisors (36851964117780).

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

22111010220012 is a wasteful number, since it uses less digits than its factorization.

22111010220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251878 (or 1251876 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22111010220012 its reverse (21002201011122), we get a palindrome (43113211231134).

The spelling of 22111010220012 in words is "twenty-two trillion, one hundred eleven billion, ten million, two hundred twenty thousand, twelve".