111021022012 has 6 divisors (see below), whose sum is σ = 194286788528. Its totient is φ = 55510511004.

The previous prime is 111021022003. The next prime is 111021022061. The reversal of 111021022012 is 210220120111.

It is a junction number, because it is equal to n+sod(n) for n = 111021021983 and 111021022001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13877627748 + ... + 13877627755.

Almost surely, 2^111021022012 is an apocalyptic number.

It is an amenable number.

111021022012 is a deficient number, since it is larger than the sum of its proper divisors (83265766516).

111021022012 is a wasteful number, since it uses less digits than its factorization.

111021022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27755255507 (or 27755255505 counting only the distinct ones).

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

Adding to 111021022012 its reverse (210220120111), we get a palindrome (321241142123).

The spelling of 111021022012 in words is "one hundred eleven billion, twenty-one million, twenty-two thousand, twelve".