20221020022101 has 4 divisors (see below), whose sum is σ = 26961360029472. Its totient is φ = 13480680014732.

The previous prime is 20221020022019. The next prime is 20221020022127. The reversal of 20221020022101 is 10122002012202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20221020022101 - 2⁹ = 20221020021589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221020020101) 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, 3370170003681 + ... + 3370170003686.

It is an arithmetic number, because the mean of its divisors is an integer number (6740340007368).

Almost surely, 2^{20221020022101} is an apocalyptic number.

It is an amenable number.

20221020022101 is a deficient number, since it is larger than the sum of its proper divisors (6740340007371).

20221020022101 is an equidigital number, since it uses as much as digits as its factorization.

20221020022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740340007370.

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

Adding to 20221020022101 its reverse (10122002012202), we get a palindrome (30343022034303).

The spelling of 20221020022101 in words is "twenty trillion, two hundred twenty-one billion, twenty million, twenty-two thousand, one hundred one".