10111212002 has 4 divisors (see below), whose sum is σ = 15166818006. Its totient is φ = 5055606000.

The previous prime is 10111211993. The next prime is 10111212101. The reversal of 10111212002 is 20021211101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20021211101 = 389 ⋅51468409.

It can be written as a sum of positive squares in only one way, i.e., 6411044761 + 3700167241 = 80069^2 + 60829^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527802999 + ... + 2527803002.

Almost surely, 2^10111212002 is an apocalyptic number.

10111212002 is a deficient number, since it is larger than the sum of its proper divisors (5055606004).

10111212002 is an equidigital number, since it uses as much as digits as its factorization.

10111212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055606003.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10111212002 its reverse (20021211101), we get a palindrome (30132423103).

Subtracting 10111212002 from its reverse (20021211101), we obtain a palindrome (9909999099).

The spelling of 10111212002 in words is "ten billion, one hundred eleven million, two hundred twelve thousand, two".