20010211111122 has 16 divisors (see below), whose sum is σ = 40172591131200. Its totient is φ = 6644708885552.

The previous prime is 20010211111073. The next prime is 20010211111157. The reversal of 20010211111122 is 22111111201002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6340369497 + ... + 6340372652.

It is an arithmetic number, because the mean of its divisors is an integer number (2510786945700).

Almost surely, 2^{20010211111122} is an apocalyptic number.

20010211111122 is an abundant number, since it is smaller than the sum of its proper divisors (20162380020078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010211111122 is a wasteful number, since it uses less digits than its factorization.

20010211111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12680742417.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20010211111122 its reverse (22111111201002), we get a palindrome (42121322312124).

The spelling of 20010211111122 in words is "twenty trillion, ten billion, two hundred eleven million, one hundred eleven thousand, one hundred twenty-two".