2111212231122 has 16 divisors (see below), whose sum is σ = 4222440950112. Its totient is φ = 703734662400.

The previous prime is 2111212231099. The next prime is 2111212231157. The reversal of 2111212231122 is 2211322121112.

It is a nude number because it is divisible by every one of its digits.

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, 1525938 + ... + 2559474.

It is an arithmetic number, because the mean of its divisors is an integer number (263902559382).

Almost surely, 2^{2111212231122} is an apocalyptic number.

2111212231122 is an abundant number, since it is smaller than the sum of its proper divisors (2111228718990).

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

2111212231122 is a wasteful number, since it uses less digits than its factorization.

2111212231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373993.

The product of its digits is 192, while the sum is 21.

Adding to 2111212231122 its reverse (2211322121112), we get a palindrome (4322534352234).

The spelling of 2111212231122 in words is "two trillion, one hundred eleven billion, two hundred twelve million, two hundred thirty-one thousand, one hundred twenty-two".