1002011122 has 16 divisors (see below), whose sum is σ = 1718536320. Its totient is φ = 429232608.

The previous prime is 1002011119. The next prime is 1002011149. The reversal of 1002011122 is 2211102001.

It is a super-2 number, since 2×1002011122² = 2008052577223397768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002011099 and 1002011108.

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, 16579 + ... + 47737.

It is an arithmetic number, because the mean of its divisors is an integer number (107408520).

Almost surely, 2^1002011122 is an apocalyptic number.

1002011122 is a deficient number, since it is larger than the sum of its proper divisors (716525198).

1002011122 is a wasteful number, since it uses less digits than its factorization.

1002011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33465.

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

The square root of 1002011122 is about 31654.5592608711. The cubic root of 1002011122 is about 1000.6699251001.

Adding to 1002011122 its reverse (2211102001), we get a palindrome (3213113123).

The spelling of 1002011122 in words is "one billion, two million, eleven thousand, one hundred twenty-two".