211102021102 has 32 divisors (see below), whose sum is σ = 374466654720. Its totient is φ = 87329568480.

The previous prime is 211102021079. The next prime is 211102021187. The reversal of 211102021102 is 201120201112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521393 + ... + 1654339.

It is an arithmetic number, because the mean of its divisors is an integer number (11702082960).

Almost surely, 2^211102021102 is an apocalyptic number.

211102021102 is a deficient number, since it is larger than the sum of its proper divisors (163364633618).

211102021102 is a wasteful number, since it uses less digits than its factorization.

211102021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136896.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211102021102 its reverse (201120201112), we get a palindrome (412222222214).

The spelling of 211102021102 in words is "two hundred eleven billion, one hundred two million, twenty-one thousand, one hundred two".