1121002022122 has 16 divisors (see below), whose sum is σ = 1703017449000. Its totient is φ = 553361342400.

The previous prime is 1121002022099. The next prime is 1121002022131. The reversal of 1121002022122 is 2212202001211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1068971955921 + 52030066201 = 1033911^2 + 228101^2 .

It is a super-2 number, since 2×1121002022122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121002022096 and 1121002022105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7880097 + ... + 8021092.

Almost surely, 2^{1121002022122} is an apocalyptic number.

1121002022122 is a deficient number, since it is larger than the sum of its proper divisors (582015426878).

1121002022122 is a wasteful number, since it uses less digits than its factorization.

1121002022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15901641.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1121002022122 its reverse (2212202001211), we get a palindrome (3333204023333).

The spelling of 1121002022122 in words is "one trillion, one hundred twenty-one billion, two million, twenty-two thousand, one hundred twenty-two".