1112121223002 has 40 divisors (see below), whose sum is σ = 2493469034100. Its totient is φ = 370484870976.

The previous prime is 1112121222997. The next prime is 1112121223013. The reversal of 1112121223002 is 2003221212111.

It can be written as a sum of positive squares in 2 ways, for example, as 1111445171001 + 676052001 = 1054251^2 + 26001^2 .

It is a super-2 number, since 2×1112121223002² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1786227 + ... + 2326982.

Almost surely, 2^{1112121223002} is an apocalyptic number.

1112121223002 is an abundant number, since it is smaller than the sum of its proper divisors (1381347811098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112121223002 is a wasteful number, since it uses less digits than its factorization.

1112121223002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114892 (or 4114883 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1112121223002 its reverse (2003221212111), we get a palindrome (3115342435113).

The spelling of 1112121223002 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred twenty-three thousand, two".