20122200021001 has 8 divisors (see below), whose sum is σ = 21670103189504. Its totient is φ = 18574302799440.

The previous prime is 20122200020957. The next prime is 20122200021023. The reversal of 20122200021001 is 10012000222102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20122200021001 - 2¹³ = 20122200012809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122200021041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7595896 + ... + 9896566.

It is an arithmetic number, because the mean of its divisors is an integer number (2708762898688).

Almost surely, 2^{20122200021001} is an apocalyptic number.

It is an amenable number.

20122200021001 is a deficient number, since it is larger than the sum of its proper divisors (1547903168503).

20122200021001 is a wasteful number, since it uses less digits than its factorization.

20122200021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973471.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20122200021001 its reverse (10012000222102), we get a palindrome (30134200243103).

The spelling of 20122200021001 in words is "twenty trillion, one hundred twenty-two billion, two hundred million, twenty-one thousand, one".