22013420101 has 4 divisors (see below), whose sum is σ = 22027205932. Its totient is φ = 21999634272.

The previous prime is 22013420047. The next prime is 22013420123. The reversal of 22013420101 is 10102431022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10102431022 = 2 ⋅5051215511.

It can be written as a sum of positive squares in 2 ways, for example, as 14919401025 + 7094019076 = 122145^2 + 84226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22013420101 is a prime.

It is a super-2 number, since 2×22013420101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013420161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6890520 + ... + 6893713.

It is an arithmetic number, because the mean of its divisors is an integer number (5506801483).

Almost surely, 2^22013420101 is an apocalyptic number.

It is an amenable number.

22013420101 is a deficient number, since it is larger than the sum of its proper divisors (13785831).

22013420101 is a wasteful number, since it uses less digits than its factorization.

22013420101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13785830.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22013420101 its reverse (10102431022), we get a palindrome (32115851123).

The spelling of 22013420101 in words is "twenty-two billion, thirteen million, four hundred twenty thousand, one hundred one".