1000121211122 has 16 divisors (see below), whose sum is σ = 1649054826144. Its totient is φ = 451130316000.

The previous prime is 1000121211119. The next prime is 1000121211161. The reversal of 1000121211122 is 2211121210001.

It is a super-2 number, since 2×1000121211122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000121211097 and 1000121211106.

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, 173508779 + ... + 173514542.

It is an arithmetic number, because the mean of its divisors is an integer number (103065926634).

Almost surely, 2^{1000121211122} is an apocalyptic number.

1000121211122 is a deficient number, since it is larger than the sum of its proper divisors (648933615022).

1000121211122 is a wasteful number, since it uses less digits than its factorization.

1000121211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347023465.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1000121211122 its reverse (2211121210001), we get a palindrome (3211242421123).

The spelling of 1000121211122 in words is "one trillion, one hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".