11111000201212 has 6 divisors (see below), whose sum is σ = 19444250352128. Its totient is φ = 5555500100604.

The previous prime is 11111000201209. The next prime is 11111000201237. The reversal of 11111000201212 is 21210200011111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11111000201192 and 11111000201201.

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, 1388875025148 + ... + 1388875025155.

Almost surely, 2^{11111000201212} is an apocalyptic number.

It is an amenable number.

11111000201212 is a deficient number, since it is larger than the sum of its proper divisors (8333250150916).

11111000201212 is a wasteful number, since it uses less digits than its factorization.

11111000201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777750050307 (or 2777750050305 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11111000201212 its reverse (21210200011111), we get a palindrome (32321200212323).

The spelling of 11111000201212 in words is "eleven trillion, one hundred eleven billion, two hundred one thousand, two hundred twelve".