22012020101 has 4 divisors (see below), whose sum is σ = 22013054400. Its totient is φ = 22010985804.

The previous prime is 22012020089. The next prime is 22012020113. The reversal of 22012020101 is 10102021022.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (22012020089) and next prime (22012020113).

It is a cyclic number.

It is not a de Polignac number, because 22012020101 - 2²² = 22007825797 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 (22012020161) 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, 484541 + ... + 528018.

It is an arithmetic number, because the mean of its divisors is an integer number (5503263600).

Almost surely, 2^22012020101 is an apocalyptic number.

It is an amenable number.

22012020101 is a deficient number, since it is larger than the sum of its proper divisors (1034299).

22012020101 is a wasteful number, since it uses less digits than its factorization.

22012020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034298.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22012020101 its reverse (10102021022), we get a palindrome (32114041123).

The spelling of 22012020101 in words is "twenty-two billion, twelve million, twenty thousand, one hundred one".