22201021013000 has 64 divisors (see below), whose sum is σ = 51992662503600. Its totient is φ = 8873182195200.

The previous prime is 22201021012883. The next prime is 22201021013009. The reversal of 22201021013000 is 31012010222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 10808195406724 + 11392825606276 = 3287582^2 + 3375326^2 .

It is not an unprimeable number, because it can be changed into a prime (22201021013009) 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, 7803149 + ... + 10261148.

Almost surely, 2^{22201021013000} is an apocalyptic number.

22201021013000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201021013000 is an abundant number, since it is smaller than the sum of its proper divisors (29791641490600).

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

22201021013000 is a wasteful number, since it uses less digits than its factorization.

22201021013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18065547 (or 18065533 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22201021013000 its reverse (31012010222), we get a palindrome (22232033023222).

The spelling of 22201021013000 in words is "twenty-two trillion, two hundred one billion, twenty-one million, thirteen thousand".