20111112022 has 8 divisors (see below), whose sum is σ = 30168914400. Its totient is φ = 10054807224.

The previous prime is 20111111981. The next prime is 20111112023. The reversal of 20111112022 is 22021111102.

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

It is a super-2 number, since 2×20111112022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20111111993 and 20111112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111112023) 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, 340197 + ... + 394912.

It is an arithmetic number, because the mean of its divisors is an integer number (3771114300).

Almost surely, 2^20111112022 is an apocalyptic number.

20111112022 is a deficient number, since it is larger than the sum of its proper divisors (10057802378).

20111112022 is a wasteful number, since it uses less digits than its factorization.

20111112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748790.

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

Adding to 20111112022 its reverse (22021111102), we get a palindrome (42132223124).

The spelling of 20111112022 in words is "twenty billion, one hundred eleven million, one hundred twelve thousand, twenty-two".