20221122201 has 16 divisors (see below), whose sum is σ = 30855199104. Its totient is φ = 11539154304.

The previous prime is 20221122151. The next prime is 20221122203. The reversal of 20221122201 is 10222112202.

It is not a de Polignac number, because 20221122201 - 2²¹ = 20219025049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20221122203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641436 + ... + 672221.

It is an arithmetic number, because the mean of its divisors is an integer number (1928449944).

Almost surely, 2^20221122201 is an apocalyptic number.

20221122201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20221122201 is a deficient number, since it is larger than the sum of its proper divisors (10634076903).

20221122201 is a wasteful number, since it uses less digits than its factorization.

20221122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314400.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20221122201 its reverse (10222112202), we get a palindrome (30443234403).

Subtracting from 20221122201 its reverse (10222112202), we obtain a palindrome (9999009999).

The spelling of 20221122201 in words is "twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred one".