20220201101 has 4 divisors (see below), whose sum is σ = 20221097952. Its totient is φ = 20219304252.

The previous prime is 20220201097. The next prime is 20220201139. The reversal of 20220201101 is 10110202202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10110202202 = 2 ⋅5055101101.

It is a cyclic number.

It is not a de Polignac number, because 20220201101 - 2² = 20220201097 is a prime.

It is a super-2 number, since 2×20220201101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220204101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413711 + ... + 459996.

It is an arithmetic number, because the mean of its divisors is an integer number (5055274488).

Almost surely, 2^20220201101 is an apocalyptic number.

It is an amenable number.

20220201101 is a deficient number, since it is larger than the sum of its proper divisors (896851).

20220201101 is an equidigital number, since it uses as much as digits as its factorization.

20220201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896850.

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

Adding to 20220201101 its reverse (10110202202), we get a palindrome (30330403303).

The spelling of 20220201101 in words is "twenty billion, two hundred twenty million, two hundred one thousand, one hundred one".