1000212000111 has 16 divisors (see below), whose sum is σ = 1481811168000. Its totient is φ = 666800974584.

The previous prime is 1000212000091. The next prime is 1000212000113. The reversal of 1000212000111 is 1110002120001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1000212000111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1000212000093 and 1000212000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000212000113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4284790 + ... + 4512188.

It is an arithmetic number, because the mean of its divisors is an integer number (92613198000).

Almost surely, 2^{1000212000111} is an apocalyptic number.

1000212000111 is a deficient number, since it is larger than the sum of its proper divisors (481599167889).

1000212000111 is a wasteful number, since it uses less digits than its factorization.

1000212000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390315 (or 390309 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1000212000111 its reverse (1110002120001), we get a palindrome (2110214120112).

It can be divided in two parts, 10002120001 and 11, that multiplied together give a palindrome (110023320011).

The spelling of 1000212000111 in words is "one trillion, two hundred twelve million, one hundred eleven", and thus it is an aban number.