21202222110000 has 200 divisors, whose sum is σ = 70293430639344. Its totient is φ = 5501116800000.

The previous prime is 21202222109983. The next prime is 21202222110029. The reversal of 21202222110000 is 1122220212.

21202222110000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8440551 + ... + 10660550.

Almost surely, 2^{21202222110000} is an apocalyptic number.

21202222110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21202222110000 is an abundant number, since it is smaller than the sum of its proper divisors (49091208529344).

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

21202222110000 is a wasteful number, since it uses less digits than its factorization.

21202222110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19101169 (or 19101148 counting only the distinct ones).

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

Adding to 21202222110000 its reverse (1122220212), we get a palindrome (21203344330212).

The spelling of 21202222110000 in words is "twenty-one trillion, two hundred two billion, two hundred twenty-two million, one hundred ten thousand".