20220121101 has 8 divisors (see below), whose sum is σ = 27829844224. Its totient is φ = 13045239360.

The previous prime is 20220121091. The next prime is 20220121133. The reversal of 20220121101 is 10112102202.

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

It is not a de Polignac number, because 20220121101 - 2²¹ = 20218023949 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 (20220121171) 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, 108710236 + ... + 108710421.

It is an arithmetic number, because the mean of its divisors is an integer number (3478730528).

Almost surely, 2^20220121101 is an apocalyptic number.

It is an amenable number.

20220121101 is a deficient number, since it is larger than the sum of its proper divisors (7609723123).

20220121101 is a wasteful number, since it uses less digits than its factorization.

20220121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217420691.

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

Adding to 20220121101 its reverse (10112102202), we get a palindrome (30332223303).

The spelling of 20220121101 in words is "twenty billion, two hundred twenty million, one hundred twenty-one thousand, one hundred one".