20112101222 has 8 divisors (see below), whose sum is σ = 30179379000. Its totient is φ = 10052308224.

The previous prime is 20112101213. The next prime is 20112101231. The reversal of 20112101222 is 22210121102.

It is an interprime number because it is at equal distance from previous prime (20112101213) and next prime (20112101231).

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 = 20112101197 and 20112101206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864472 + ... + 1875227.

It is an arithmetic number, because the mean of its divisors is an integer number (3772422375).

Almost surely, 2^20112101222 is an apocalyptic number.

20112101222 is a deficient number, since it is larger than the sum of its proper divisors (10067277778).

20112101222 is a wasteful number, since it uses less digits than its factorization.

20112101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742390.

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

Adding to 20112101222 its reverse (22210121102), we get a palindrome (42322222324).

The spelling of 20112101222 in words is "twenty billion, one hundred twelve million, one hundred one thousand, two hundred twenty-two".