20221121022201 has 24 divisors (see below), whose sum is σ = 31921836252384. Its totient is φ = 12232820396160.

The previous prime is 20221121022191. The next prime is 20221121022229. The reversal of 20221121022201 is 10222012112202.

It is a happy number.

20221121022201 is a `hidden beast` number, since 20 + 2 + 211 + 210 + 2 + 220 + 1 = 666.

It is not a de Polignac number, because 20221121022201 - 2¹³ = 20221121014009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20221121022241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186649456 + ... + 186757761.

It is an arithmetic number, because the mean of its divisors is an integer number (1330076510516).

Almost surely, 2^{20221121022201} is an apocalyptic number.

It is an amenable number.

20221121022201 is a deficient number, since it is larger than the sum of its proper divisors (11700715230183).

20221121022201 is a wasteful number, since it uses less digits than its factorization.

20221121022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373407781 (or 373407778 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20221121022201 its reverse (10222012112202), we get a palindrome (30443133134403).

The spelling of 20221121022201 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty-one million, twenty-two thousand, two hundred one".