111002100212 has 24 divisors (see below), whose sum is σ = 200969112960. Its totient is φ = 53582678240.

The previous prime is 111002100203. The next prime is 111002100229. The reversal of 111002100212 is 212001200111.

It is a junction number, because it is equal to n+sod(n) for n = 111002100193 and 111002100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1628537 + ... + 1695327.

It is an arithmetic number, because the mean of its divisors is an integer number (8373713040).

Almost surely, 2^111002100212 is an apocalyptic number.

It is an amenable number.

111002100212 is a deficient number, since it is larger than the sum of its proper divisors (89967012748).

111002100212 is a wasteful number, since it uses less digits than its factorization.

111002100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81151 (or 81149 counting only the distinct ones).

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

Adding to 111002100212 its reverse (212001200111), we get a palindrome (323003300323).

The spelling of 111002100212 in words is "one hundred eleven billion, two million, one hundred thousand, two hundred twelve".