20221001102000 has 80 divisors (see below), whose sum is σ = 49934686868352. Its totient is φ = 7916306777600.

The previous prime is 20221001101963. The next prime is 20221001102041. The reversal of 20221001102000 is 20110012202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107464517 + ... + 107652516.

Almost surely, 2^{20221001102000} is an apocalyptic number.

20221001102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221001102000 is an abundant number, since it is smaller than the sum of its proper divisors (29713685766352).

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

20221001102000 is a wasteful number, since it uses less digits than its factorization.

20221001102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215117103 (or 215117087 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20221001102000 its reverse (20110012202), we get a palindrome (20241111114202).

The spelling of 20221001102000 in words is "twenty trillion, two hundred twenty-one billion, one million, one hundred two thousand".