20221120101 has 128 divisors (see below), whose sum is σ = 37851770880. Its totient is φ = 9287405568.

The previous prime is 20221120093. The next prime is 20221120123. The reversal of 20221120101 is 10102112202.

It is not a de Polignac number, because 20221120101 - 2³ = 20221120093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221120181) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3789031 + ... + 3794363.

It is an arithmetic number, because the mean of its divisors is an integer number (295716960).

Almost surely, 2^20221120101 is an apocalyptic number.

20221120101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20221120101 is a deficient number, since it is larger than the sum of its proper divisors (17630650779).

20221120101 is a wasteful number, since it uses less digits than its factorization.

20221120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20221120101 its reverse (10102112202), we get a palindrome (30323232303).

The spelling of 20221120101 in words is "twenty billion, two hundred twenty-one million, one hundred twenty thousand, one hundred one".