20220102101 has 4 divisors (see below), whose sum is σ = 20220915852. Its totient is φ = 20219288352.

The previous prime is 20220102083. The next prime is 20220102109. The reversal of 20220102101 is 10120102202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9194892100 + 11025210001 = 95890^2 + 105001^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220102101 - 2⁶ = 20220102037 is a prime.

It is a super-2 number, since 2×20220102101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220102109) 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, 368390 + ... + 419703.

It is an arithmetic number, because the mean of its divisors is an integer number (5055228963).

Almost surely, 2^20220102101 is an apocalyptic number.

It is an amenable number.

20220102101 is a deficient number, since it is larger than the sum of its proper divisors (813751).

20220102101 is an equidigital number, since it uses as much as digits as its factorization.

20220102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813750.

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

Adding to 20220102101 its reverse (10120102202), we get a palindrome (30340204303).

The spelling of 20220102101 in words is "twenty billion, two hundred twenty million, one hundred two thousand, one hundred one".