2111021012122 has 16 divisors (see below), whose sum is σ = 3464648471232. Its totient is φ = 956707657920.

The previous prime is 2111021012119. The next prime is 2111021012143. The reversal of 2111021012122 is 2212101201112.

It is a junction number, because it is equal to n+sod(n) for n = 2111021012096 and 2111021012105.

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 7 ways as a sum of consecutive naturals, for example, 142359798 + ... + 142374625.

It is an arithmetic number, because the mean of its divisors is an integer number (216540529452).

Almost surely, 2^{2111021012122} is an apocalyptic number.

2111021012122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111021012122 is a deficient number, since it is larger than the sum of its proper divisors (1353627459110).

2111021012122 is a wasteful number, since it uses less digits than its factorization.

2111021012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284734773.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111021012122 its reverse (2212101201112), we get a palindrome (4323122213234).

The spelling of 2111021012122 in words is "two trillion, one hundred eleven billion, twenty-one million, twelve thousand, one hundred twenty-two".