10012111012102 has 4 divisors (see below), whose sum is σ = 15018166518156. Its totient is φ = 5006055506050.

The previous prime is 10012111012093. The next prime is 10012111012109. The reversal of 10012111012102 is 20121011121001.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012111012109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503027753024 + ... + 2503027753027.

It is an arithmetic number, because the mean of its divisors is an integer number (3754541629539).

Almost surely, 2^{10012111012102} is an apocalyptic number.

10012111012102 is a deficient number, since it is larger than the sum of its proper divisors (5006055506054).

10012111012102 is an equidigital number, since it uses as much as digits as its factorization.

10012111012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006055506053.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10012111012102 its reverse (20121011121001), we get a palindrome (30133122133103).

The spelling of 10012111012102 in words is "ten trillion, twelve billion, one hundred eleven million, twelve thousand, one hundred two".