20220201221101 has 16 divisors (see below), whose sum is σ = 23906056838400. Its totient is φ = 16733679475968.

The previous prime is 20220201220979. The next prime is 20220201221107. The reversal of 20220201221101 is 10112210202202.

It is a happy number.

It is not a de Polignac number, because 20220201221101 - 2²⁹ = 20219664350189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220201221107) 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, 11791141 + ... + 13396693.

It is an arithmetic number, because the mean of its divisors is an integer number (1494128552400).

Almost surely, 2^{20220201221101} is an apocalyptic number.

It is an amenable number.

20220201221101 is a deficient number, since it is larger than the sum of its proper divisors (3685855617299).

20220201221101 is a wasteful number, since it uses less digits than its factorization.

20220201221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667628.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20220201221101 its reverse (10112210202202), we get a palindrome (30332411423303).

The spelling of 20220201221101 in words is "twenty trillion, two hundred twenty billion, two hundred one million, two hundred twenty-one thousand, one hundred one".