20221121122 has 4 divisors (see below), whose sum is σ = 30331681686. Its totient is φ = 10110560560.

The previous prime is 20221121113. The next prime is 20221121149. The reversal of 20221121122 is 22112112202.

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 only one way, i.e., 11685393801 + 8535727321 = 108099^2 + 92389^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20221121096 and 20221121105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055280279 + ... + 5055280282.

Almost surely, 2^20221121122 is an apocalyptic number.

20221121122 is a deficient number, since it is larger than the sum of its proper divisors (10110560564).

20221121122 is a wasteful number, since it uses less digits than its factorization.

20221121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110560563.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20221121122 its reverse (22112112202), we get a palindrome (42333233324).

The spelling of 20221121122 in words is "twenty billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-two".