2110121220122 has 4 divisors (see below), whose sum is σ = 3165181830186. Its totient is φ = 1055060610060.

The previous prime is 2110121220107. The next prime is 2110121220149. The reversal of 2110121220122 is 2210221210112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1479699512041 + 630421708081 = 1216429^2 + 793991^2 .

It is a super-2 number, since 2×2110121220122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2110121220122.

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 as a sum of consecutive naturals, namely, 527530305029 + ... + 527530305032.

Almost surely, 2^{2110121220122} is an apocalyptic number.

2110121220122 is a deficient number, since it is larger than the sum of its proper divisors (1055060610064).

2110121220122 is a wasteful number, since it uses less digits than its factorization.

2110121220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055060610063.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2110121220122 its reverse (2210221210112), we get a palindrome (4320342430234).

The spelling of 2110121220122 in words is "two trillion, one hundred ten billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".