10012102102 has 4 divisors (see below), whose sum is σ = 15018153156. Its totient is φ = 5006051050.

The previous prime is 10012102091. The next prime is 10012102109. The reversal of 10012102102 is 20120121001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20120121001 = 20663 ⋅973727.

It is a super-4 number, since 4×10012102102⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012102109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503025524 + ... + 2503025527.

It is an arithmetic number, because the mean of its divisors is an integer number (3754538289).

Almost surely, 2^10012102102 is an apocalyptic number.

10012102102 is a deficient number, since it is larger than the sum of its proper divisors (5006051054).

10012102102 is an equidigital number, since it uses as much as digits as its factorization.

10012102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006051053.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10012102102 its reverse (20120121001), we get a palindrome (30132223103).

The spelling of 10012102102 in words is "ten billion, twelve million, one hundred two thousand, one hundred two".