2121122233112 has 16 divisors (see below), whose sum is σ = 3980961723600. Its totient is φ = 1059532440160.

The previous prime is 2121122233103. The next prime is 2121122233121. The reversal of 2121122233112 is 2113322211212.

It is an interprime number because it is at equal distance from previous prime (2121122233103) and next prime (2121122233121).

It is a congruent number.

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, 128575787 + ... + 128592282.

It is an arithmetic number, because the mean of its divisors is an integer number (248810107725).

Almost surely, 2^{2121122233112} is an apocalyptic number.

It is an amenable number.

2121122233112 is a deficient number, since it is larger than the sum of its proper divisors (1859839490488).

2121122233112 is a wasteful number, since it uses less digits than its factorization.

2121122233112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257169106 (or 257169102 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 2121122233112 its reverse (2113322211212), we get a palindrome (4234444444324).

The spelling of 2121122233112 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred thirty-three thousand, one hundred twelve".