10021102012 has 24 divisors (see below), whose sum is σ = 17952270336. Its totient is φ = 4891979568.

The previous prime is 10021101997. The next prime is 10021102019. The reversal of 10021102012 is 21020112001.

It is a self number, because there is not a number n which added to its sum of digits gives 10021102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021102019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451323 + ... + 473005.

It is an arithmetic number, because the mean of its divisors is an integer number (748011264).

Almost surely, 2^10021102012 is an apocalyptic number.

It is an amenable number.

10021102012 is a deficient number, since it is larger than the sum of its proper divisors (7931168324).

10021102012 is a wasteful number, since it uses less digits than its factorization.

10021102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24417 (or 24415 counting only the distinct ones).

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

Adding to 10021102012 its reverse (21020112001), we get a palindrome (31041214013).

The spelling of 10021102012 in words is "ten billion, twenty-one million, one hundred two thousand, twelve".