20221120211000 has 128 divisors (see below), whose sum is σ = 47873401392960. Its totient is φ = 7993702080000.

The previous prime is 20221120210957. The next prime is 20221120211003. The reversal of 20221120211000 is 11202112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221120211003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55063994 + ... + 55430006.

Almost surely, 2^{20221120211000} is an apocalyptic number.

20221120211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20221120211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23936700696480).

20221120211000 is an abundant number, since it is smaller than the sum of its proper divisors (27652281181960).

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

20221120211000 is a wasteful number, since it uses less digits than its factorization.

20221120211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366682 (or 366668 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221120211000 its reverse (11202112202), we get a palindrome (20232322323202).

It can be divided in two parts, 202211202 and 11000, that added together give a palindrome (202222202).

The spelling of 20221120211000 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty million, two hundred eleven thousand".