211121011102 has 32 divisors (see below), whose sum is σ = 341697844224. Its totient is φ = 97466841600.

The previous prime is 211121011099. The next prime is 211121011121. The reversal of 211121011102 is 201110121112.

It is a happy number.

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, 661452 + ... + 927232.

It is an arithmetic number, because the mean of its divisors is an integer number (10678057632).

Almost surely, 2^211121011102 is an apocalyptic number.

211121011102 is a deficient number, since it is larger than the sum of its proper divisors (130576833122).

211121011102 is a wasteful number, since it uses less digits than its factorization.

211121011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266244.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211121011102 its reverse (201110121112), we get a palindrome (412231132214).

The spelling of 211121011102 in words is "two hundred eleven billion, one hundred twenty-one million, eleven thousand, one hundred two".