1111212231002 has 8 divisors (see below), whose sum is σ = 1724294841300. Its totient is φ = 536447283904.

The previous prime is 1111212230969. The next prime is 1111212231043. The reversal of 1111212231002 is 2001322121111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1049479362481 + 61732868521 = 1024441^2 + 248461^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 9579415727 + ... + 9579415842.

Almost surely, 2^{1111212231002} is an apocalyptic number.

1111212231002 is a deficient number, since it is larger than the sum of its proper divisors (613082610298).

1111212231002 is a wasteful number, since it uses less digits than its factorization.

1111212231002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19158831600.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1111212231002 its reverse (2001322121111), we get a palindrome (3112534352113).

The spelling of 1111212231002 in words is "one trillion, one hundred eleven billion, two hundred twelve million, two hundred thirty-one thousand, two".