22012220101000 has 32 divisors (see below), whose sum is σ = 51508595038680. Its totient is φ = 8804888040000.

The previous prime is 22012220100973. The next prime is 22012220101037. The reversal of 22012220101000 is 10102221022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5705209319364 + 16307010781636 = 2388558^2 + 4038194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11006109051 + ... + 11006111050.

Almost surely, 2^{22012220101000} is an apocalyptic number.

22012220101000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012220101000 is an abundant number, since it is smaller than the sum of its proper divisors (29496374937680).

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

22012220101000 is a wasteful number, since it uses less digits than its factorization.

22012220101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22012220122 (or 22012220108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22012220101000 its reverse (10102221022), we get a palindrome (22022322322022).

The spelling of 22012220101000 in words is "twenty-two trillion, twelve billion, two hundred twenty million, one hundred one thousand".