11102021012 has 12 divisors (see below), whose sum is σ = 19576847136. Its totient is φ = 5508636120.

The previous prime is 11102020999. The next prime is 11102021023. The reversal of 11102021012 is 21012020111.

It is a junction number, because it is equal to n+sod(n) for n = 11102020984 and 11102021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10593008 + ... + 10594055.

It is an arithmetic number, because the mean of its divisors is an integer number (1631403928).

Almost surely, 2^11102021012 is an apocalyptic number.

It is an amenable number.

11102021012 is a deficient number, since it is larger than the sum of its proper divisors (8474826124).

11102021012 is a wasteful number, since it uses less digits than its factorization.

11102021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21187198 (or 21187196 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11102021012 its reverse (21012020111), we get a palindrome (32114041123).

Subtracting 11102021012 from its reverse (21012020111), we obtain a palindrome (9909999099).

The spelling of 11102021012 in words is "eleven billion, one hundred two million, twenty-one thousand, twelve".