22211002020012 has 192 divisors, whose sum is σ = 57493818869760. Its totient is φ = 6631539019776.

The previous prime is 22211002020007. The next prime is 22211002020019. The reversal of 22211002020012 is 21002020011222.

It is a super-2 number, since 2×22211002020012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22211002019973 and 22211002020000.

It is not an unprimeable number, because it can be changed into a prime (22211002020019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 617245773 + ... + 617281755.

It is an arithmetic number, because the mean of its divisors is an integer number (299446973280).

Almost surely, 2^{22211002020012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22211002020012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28746909434880).

22211002020012 is an abundant number, since it is smaller than the sum of its proper divisors (35282816849748).

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

22211002020012 is a wasteful number, since it uses less digits than its factorization.

22211002020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36952 (or 36950 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22211002020012 its reverse (21002020011222), we get a palindrome (43213022031234).

The spelling of 22211002020012 in words is "twenty-two trillion, two hundred eleven billion, two million, twenty thousand, twelve".