20221000101101 has 2 divisors, whose sum is σ = 20221000101102. Its totient is φ = 20221000101100.

The previous prime is 20221000101089. The next prime is 20221000101119. The reversal of 20221000101101 is 10110100012202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20174704123876 + 46295977225 = 4491626^2 + 215165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20221000101101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221000191101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110500050550 + 10110500050551.

It is an arithmetic number, because the mean of its divisors is an integer number (10110500050551).

Almost surely, 2^{20221000101101} is an apocalyptic number.

It is an amenable number.

20221000101101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221000101101 is an equidigital number, since it uses as much as digits as its factorization.

20221000101101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20221000101101 its reverse (10110100012202), we get a palindrome (30331100113303).

The spelling of 20221000101101 in words is "twenty trillion, two hundred twenty-one billion, one hundred one thousand, one hundred one".