10200111002 has 4 divisors (see below), whose sum is σ = 15300166506. Its totient is φ = 5100055500.

The previous prime is 10200110989. The next prime is 10200111007. The reversal of 10200111002 is 20011100201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20011100201 = 193 ⋅103684457.

It can be written as a sum of positive squares in only one way, i.e., 10196758441 + 3352561 = 100979^2 + 1831^2 .

It is not an unprimeable number, because it can be changed into a prime (10200111007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550027749 + ... + 2550027752.

Almost surely, 2^10200111002 is an apocalyptic number.

10200111002 is a deficient number, since it is larger than the sum of its proper divisors (5100055504).

10200111002 is an equidigital number, since it uses as much as digits as its factorization.

10200111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100055503.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10200111002 its reverse (20011100201), we get a palindrome (30211211203).

The spelling of 10200111002 in words is "ten billion, two hundred million, one hundred eleven thousand, two".