111012002100212 has 6 divisors (see below), whose sum is σ = 194271003675378. Its totient is φ = 55506001050104.

The previous prime is 111012002100191. The next prime is 111012002100281. The reversal of 111012002100212 is 212001200210111.

It can be written as a sum of positive squares in only one way, i.e., 103404412089616 + 7607590010596 = 10168796^2 + 2758186^2 .

It is a super-2 number, since 2×111012002100212² (a number of 29 digits) contains 22 as substring.

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, 13876500262523 + ... + 13876500262530.

It is an arithmetic number, because the mean of its divisors is an integer number (32378500612563).

Almost surely, 2^{111012002100212} is an apocalyptic number.

It is an amenable number.

111012002100212 is a deficient number, since it is larger than the sum of its proper divisors (83259001575166).

111012002100212 is a wasteful number, since it uses less digits than its factorization.

111012002100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27753000525057 (or 27753000525055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111012002100212 its reverse (212001200210111), we get a palindrome (323013202310323).

The spelling of 111012002100212 in words is "one hundred eleven trillion, twelve billion, two million, one hundred thousand, two hundred twelve".