10021112102 has 4 divisors (see below), whose sum is σ = 15031668156. Its totient is φ = 5010556050.

The previous prime is 10021112093. The next prime is 10021112119. The reversal of 10021112102 is 20121112001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20121112001 = 12589 ⋅1598309.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505278024 + ... + 2505278027.

It is an arithmetic number, because the mean of its divisors is an integer number (3757917039).

Almost surely, 2^10021112102 is an apocalyptic number.

10021112102 is a deficient number, since it is larger than the sum of its proper divisors (5010556054).

10021112102 is an equidigital number, since it uses as much as digits as its factorization.

10021112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010556053.

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

Adding to 10021112102 its reverse (20121112001), we get a palindrome (30142224103).

The spelling of 10021112102 in words is "ten billion, twenty-one million, one hundred twelve thousand, one hundred two".