10111211002 has 4 divisors (see below), whose sum is σ = 15166816506. Its totient is φ = 5055605500.

The previous prime is 10111210973. The next prime is 10111211041. The reversal of 10111211002 is 20011211101.

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., 8656627681 + 1454583321 = 93041^2 + 38139^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10111211002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527802749 + ... + 2527802752.

Almost surely, 2^10111211002 is an apocalyptic number.

10111211002 is a deficient number, since it is larger than the sum of its proper divisors (5055605504).

10111211002 is an equidigital number, since it uses as much as digits as its factorization.

10111211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055605503.

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

Adding to 10111211002 its reverse (20011211101), we get a palindrome (30122422103).

Subtracting 10111211002 from its reverse (20011211101), we obtain a palindrome (9900000099).

The spelling of 10111211002 in words is "ten billion, one hundred eleven million, two hundred eleven thousand, two".