20112022101 has 8 divisors (see below), whose sum is σ = 28227399520. Its totient is φ = 12702329712.

The previous prime is 20112022093. The next prime is 20112022111. The reversal of 20112022101 is 10122021102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20112022101 - 2³ = 20112022093 is a prime.

It is a super-2 number, since 2×20112022101² (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 (20112022111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176421190 + ... + 176421303.

It is an arithmetic number, because the mean of its divisors is an integer number (3528424940).

Almost surely, 2^20112022101 is an apocalyptic number.

It is an amenable number.

20112022101 is a deficient number, since it is larger than the sum of its proper divisors (8115377419).

20112022101 is a wasteful number, since it uses less digits than its factorization.

20112022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352842515.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20112022101 its reverse (10122021102), we get a palindrome (30234043203).

Subtracting from 20112022101 its reverse (10122021102), we obtain a palindrome (9990000999).

The spelling of 20112022101 in words is "twenty billion, one hundred twelve million, twenty-two thousand, one hundred one".