22020111002101 has 4 divisors (see below), whose sum is σ = 22020826971052. Its totient is φ = 22019395033152.

The previous prime is 22020111002083. The next prime is 22020111002147. The reversal of 22020111002101 is 10120011102022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4304421584100 + 17715689418001 = 2074710^2 + 4209001^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020111002101 - 2⁹ = 22020111001589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020111002171) 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, 357938340 + ... + 357999853.

It is an arithmetic number, because the mean of its divisors is an integer number (5505206742763).

Almost surely, 2^{22020111002101} is an apocalyptic number.

It is an amenable number.

22020111002101 is a deficient number, since it is larger than the sum of its proper divisors (715968951).

22020111002101 is an equidigital number, since it uses as much as digits as its factorization.

22020111002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715968950.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22020111002101 its reverse (10120011102022), we get a palindrome (32140122104123).

The spelling of 22020111002101 in words is "twenty-two trillion, twenty billion, one hundred eleven million, two thousand, one hundred one".