11211120102 has 64 divisors (see below), whose sum is σ = 28342508544. Its totient is φ = 2876860800.

The previous prime is 11211120077. The next prime is 11211120131. The reversal of 11211120102 is 20102111211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257274 + ... + 297677.

It is an arithmetic number, because the mean of its divisors is an integer number (442851696).

Almost surely, 2^11211120102 is an apocalyptic number.

11211120102 is an abundant number, since it is smaller than the sum of its proper divisors (17131388442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211120102 is a wasteful number, since it uses less digits than its factorization.

11211120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555013.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11211120102 its reverse (20102111211), we get a palindrome (31313231313).

The spelling of 11211120102 in words is "eleven billion, two hundred eleven million, one hundred twenty thousand, one hundred two".