20221122101 has 4 divisors (see below), whose sum is σ = 20222387052. Its totient is φ = 20219857152.

The previous prime is 20221122071. The next prime is 20221122139. The reversal of 20221122101 is 10122112202.

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 11464841476 + 8756280625 = 107074^2 + 93575^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221122101 - 2¹⁰ = 20221121077 is a prime.

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 (20221122151) 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, 608186 + ... + 640571.

It is an arithmetic number, because the mean of its divisors is an integer number (5055596763).

Almost surely, 2^20221122101 is an apocalyptic number.

It is an amenable number.

20221122101 is a deficient number, since it is larger than the sum of its proper divisors (1264951).

20221122101 is a wasteful number, since it uses less digits than its factorization.

20221122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264950.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221122101 its reverse (10122112202), we get a palindrome (30343234303).

The spelling of 20221122101 in words is "twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred one".