1121111002 has 16 divisors (see below), whose sum is σ = 1942460352. Its totient is φ = 479619520.

The previous prime is 1121110997. The next prime is 1121111023. The reversal of 1121111002 is 2001111211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121111002.

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, 1498438 + ... + 1499185.

It is an arithmetic number, because the mean of its divisors is an integer number (121403772).

Almost surely, 2^1121111002 is an apocalyptic number.

1121111002 is a deficient number, since it is larger than the sum of its proper divisors (821349350).

1121111002 is a wasteful number, since it uses less digits than its factorization.

1121111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997653.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1121111002 is about 33482.9957142428. The cubic root of 1121111002 is about 1038.8420920889.

Adding to 1121111002 its reverse (2001111211), we get a palindrome (3122222213).

The spelling of 1121111002 in words is "one billion, one hundred twenty-one million, one hundred eleven thousand, two".