1000000121122 has 8 divisors (see below), whose sum is σ = 1513274519916. Its totient is φ = 495575281152.

The previous prime is 1000000121083. The next prime is 1000000121147. The reversal of 1000000121122 is 2211210000001.

It can be written as a sum of positive squares in 2 ways, for example, as 995662713241 + 4337407881 = 997829^2 + 65859^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1000000121099 and 1000000121108.

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 3 ways as a sum of consecutive naturals, for example, 2212389423 + ... + 2212389874.

Almost surely, 2^{1000000121122} is an apocalyptic number.

1000000121122 is a deficient number, since it is larger than the sum of its proper divisors (513274398794).

1000000121122 is a wasteful number, since it uses less digits than its factorization.

1000000121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424779412.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000000121122 its reverse (2211210000001), we get a palindrome (3211210121123).

The spelling of 1000000121122 in words is "one trillion, one hundred twenty-one thousand, one hundred twenty-two".