1002111202 has 4 divisors (see below), whose sum is σ = 1503166806. Its totient is φ = 501055600.

The previous prime is 1002111199. The next prime is 1002111203. The reversal of 1002111202 is 2021112001.

1002111202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 555592041 + 446519161 = 23571^2 + 21131^2 .

It is a super-2 number, since 2×1002111202² = 2008453722347769608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002111203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250527799 + ... + 250527802.

Almost surely, 2^1002111202 is an apocalyptic number.

1002111202 is a deficient number, since it is larger than the sum of its proper divisors (501055604).

1002111202 is an equidigital number, since it uses as much as digits as its factorization.

1002111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501055603.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1002111202 is about 31656.1400363342. The cubic root of 1002111202 is about 1000.7032393385.

Adding to 1002111202 its reverse (2021112001), we get a palindrome (3023223203).

The spelling of 1002111202 in words is "one billion, two million, one hundred eleven thousand, two hundred two".