1102012002 has 48 divisors (see below), whose sum is σ = 2938703040. Its totient is φ = 290640096.

The previous prime is 1102011979. The next prime is 1102012003. The reversal of 1102012002 is 2002102011.

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 (1102012003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334752 + ... + 338027.

It is an arithmetic number, because the mean of its divisors is an integer number (61222980).

Almost surely, 2^1102012002 is an apocalyptic number.

1102012002 is an abundant number, since it is smaller than the sum of its proper divisors (1836691038).

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

1102012002 is a wasteful number, since it uses less digits than its factorization.

1102012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672807 (or 672804 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1102012002 is about 33196.5661175972. The cubic root of 1102012002 is about 1032.9091107991.

Adding to 1102012002 its reverse (2002102011), we get a palindrome (3104114013).

Subtracting 1102012002 from its reverse (2002102011), we obtain a palindrome (900090009).

The spelling of 1102012002 in words is "one billion, one hundred two million, twelve thousand, two".