111002101012 has 12 divisors (see below), whose sum is σ = 211913102016. Its totient is φ = 50455500440.

The previous prime is 111002101009. The next prime is 111002101019. The reversal of 111002101012 is 210101200111.

It is a self number, because there is not a number n which added to its sum of digits gives 111002101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002101019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261387468 + ... + 1261387555.

It is an arithmetic number, because the mean of its divisors is an integer number (17659425168).

Almost surely, 2^111002101012 is an apocalyptic number.

It is an amenable number.

111002101012 is a deficient number, since it is larger than the sum of its proper divisors (100911001004).

111002101012 is a wasteful number, since it uses less digits than its factorization.

111002101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522775038 (or 2522775036 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111002101012 its reverse (210101200111), we get a palindrome (321103301123).

Subtracting 111002101012 from its reverse (210101200111), we obtain a palindrome (99099099099).

It can be divided in two parts, 11100 and 2101012, that added together give a palindrome (2112112).

The spelling of 111002101012 in words is "one hundred eleven billion, two million, one hundred one thousand, twelve".