210122121011122 has 8 divisors (see below), whose sum is σ = 315183379551516. Its totient is φ = 105060994493952.

The previous prime is 210122121011107. The next prime is 210122121011161. The reversal of 210122121011122 is 221110121221012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 209707151850361 + 414969160761 = 14481269^2 + 644181^2 .

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 210122121011122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28926063 + ... + 35453650.

Almost surely, 2^{210122121011122} is an apocalyptic number.

210122121011122 is a deficient number, since it is larger than the sum of its proper divisors (105061258540394).

210122121011122 is a wasteful number, since it uses less digits than its factorization.

210122121011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66011612.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 210122121011122 its reverse (221110121221012), we get a palindrome (431232242232134).

The spelling of 210122121011122 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred twenty-one million, eleven thousand, one hundred twenty-two".