20111212022 has 8 divisors (see below), whose sum is σ = 32909256072. Its totient is φ = 9141460000.

The previous prime is 20111212013. The next prime is 20111212031. The reversal of 20111212022 is 22021211102.

It is an interprime number because it is at equal distance from previous prime (20111212013) and next prime (20111212031).

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

It is a junction number, because it is equal to n+sod(n) for n = 20111211988 and 20111212006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457072979 + ... + 457073022.

It is an arithmetic number, because the mean of its divisors is an integer number (4113657009).

Almost surely, 2^20111212022 is an apocalyptic number.

20111212022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20111212022 is a deficient number, since it is larger than the sum of its proper divisors (12798044050).

20111212022 is a wasteful number, since it uses less digits than its factorization.

20111212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914146014.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20111212022 its reverse (22021211102), we get a palindrome (42132423124).

The spelling of 20111212022 in words is "twenty billion, one hundred eleven million, two hundred twelve thousand, twenty-two".