1111201002 has 12 divisors (see below), whose sum is σ = 2407602210. Its totient is φ = 370400328.

The previous prime is 1111200973. The next prime is 1111201009. The reversal of 1111201002 is 2001021111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 602653401 + 508547601 = 24549^2 + 22551^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1111201009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30866677 + ... + 30866712.

Almost surely, 2^1111201002 is an apocalyptic number.

1111201002 is an abundant number, since it is smaller than the sum of its proper divisors (1296401208).

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

1111201002 is a wasteful number, since it uses less digits than its factorization.

1111201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61733397 (or 61733394 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1111201002 is about 33334.6816693965. The cubic root of 1111201002 is about 1035.7720990873.

Adding to 1111201002 its reverse (2001021111), we get a palindrome (3112222113).

The spelling of 1111201002 in words is "one billion, one hundred eleven million, two hundred one thousand, two".