1021102110212 has 48 divisors (see below), whose sum is σ = 1817246988480. Its totient is φ = 501970877568.

The previous prime is 1021102110191. The next prime is 1021102110257. The reversal of 1021102110212 is 2120112011201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46396403 + ... + 46418405.

It is an arithmetic number, because the mean of its divisors is an integer number (37859312260).

Almost surely, 2^{1021102110212} is an apocalyptic number.

It is an amenable number.

1021102110212 is a deficient number, since it is larger than the sum of its proper divisors (796144878268).

1021102110212 is a wasteful number, since it uses less digits than its factorization.

1021102110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22932 (or 22930 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021102110212 its reverse (2120112011201), we get a palindrome (3141214121413).

The spelling of 1021102110212 in words is "one trillion, twenty-one billion, one hundred two million, one hundred ten thousand, two hundred twelve".