2111021121122 has 8 divisors (see below), whose sum is σ = 3166855454172. Its totient is φ = 1055402636400.

The previous prime is 2111021121091. The next prime is 2111021121203. The reversal of 2111021121122 is 2211211201112.

It can be written as a sum of positive squares in 2 ways, for example, as 2041809508561 + 69211612561 = 1428919^2 + 263081^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2111021121122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53937629 + ... + 53976752.

Almost surely, 2^{2111021121122} is an apocalyptic number.

2111021121122 is a deficient number, since it is larger than the sum of its proper divisors (1055834333050).

2111021121122 is a wasteful number, since it uses less digits than its factorization.

2111021121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107924164.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2111021121122 its reverse (2211211201112), we get a palindrome (4322232322234).

The spelling of 2111021121122 in words is "two trillion, one hundred eleven billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty-two".