21223222113000 has 64 divisors (see below), whose sum is σ = 66216453001920. Its totient is φ = 5659525896000.

The previous prime is 21223222112977. The next prime is 21223222113007. The reversal of 21223222113000 is 31122232212.

It is not an unprimeable number, because it can be changed into a prime (21223222113007) 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, 3537200686 + ... + 3537206685.

It is an arithmetic number, because the mean of its divisors is an integer number (1034632078155).

Almost surely, 2^{21223222113000} is an apocalyptic number.

21223222113000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21223222113000 is an abundant number, since it is smaller than the sum of its proper divisors (44993230888920).

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

21223222113000 is a wasteful number, since it uses less digits than its factorization.

21223222113000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074407395 (or 7074407381 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21223222113000 its reverse (31122232212), we get a palindrome (21254344345212).

The spelling of 21223222113000 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred twenty-two million, one hundred thirteen thousand".