12021110102 has 8 divisors (see below), whose sum is σ = 18653446800. Its totient is φ = 5803294504.

The previous prime is 12021110081. The next prime is 12021110137. The reversal of 12021110102 is 20101112021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103630202 + ... + 103630317.

It is an arithmetic number, because the mean of its divisors is an integer number (2331680850).

Almost surely, 2^12021110102 is an apocalyptic number.

12021110102 is a deficient number, since it is larger than the sum of its proper divisors (6632336698).

12021110102 is a wasteful number, since it uses less digits than its factorization.

12021110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207260550.

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

Adding to 12021110102 its reverse (20101112021), we get a palindrome (32122222123).

The spelling of 12021110102 in words is "twelve billion, twenty-one million, one hundred ten thousand, one hundred two".