221011120102102 has 96 divisors (see below), whose sum is σ = 384832161423360. Its totient is φ = 94934788872000.

The previous prime is 221011120102099. The next prime is 221011120102111. The reversal of 221011120102102 is 201201021110122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259858299 + ... + 260707417.

It is an arithmetic number, because the mean of its divisors is an integer number (4008668348160).

Almost surely, 2^{221011120102102} is an apocalyptic number.

221011120102102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221011120102102 is a deficient number, since it is larger than the sum of its proper divisors (163821041321258).

221011120102102 is a wasteful number, since it uses less digits than its factorization.

221011120102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849730 (or 849719 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221011120102102 its reverse (201201021110122), we get a palindrome (422212141212224).

The spelling of 221011120102102 in words is "two hundred twenty-one trillion, eleven billion, one hundred twenty million, one hundred two thousand, one hundred two".