20010111122 has 8 divisors (see below), whose sum is σ = 30055135872. Its totient is φ = 9991732500.

The previous prime is 20010111091. The next prime is 20010111139. The reversal of 20010111122 is 22111101002.

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

It is a super-2 number, since 2×20010111122² (a number of 21 digits) contains 22 as substring.

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, 6659654 + ... + 6662657.

It is an arithmetic number, because the mean of its divisors is an integer number (3756891984).

Almost surely, 2^20010111122 is an apocalyptic number.

20010111122 is a deficient number, since it is larger than the sum of its proper divisors (10045024750).

20010111122 is a wasteful number, since it uses less digits than its factorization.

20010111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13323064.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20010111122 its reverse (22111101002), we get a palindrome (42121212124).

The spelling of 20010111122 in words is "twenty billion, ten million, one hundred eleven thousand, one hundred twenty-two".