11012201212 has 12 divisors (see below), whose sum is σ = 19272130416. Its totient is φ = 5505878240.

The previous prime is 11012201153. The next prime is 11012201227. The reversal of 11012201212 is 21210221011.

It is a super-3 number, since 3×11012201212³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11012201192 and 11012201201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111912 + ... + 185872.

It is an arithmetic number, because the mean of its divisors is an integer number (1606010868).

Almost surely, 2^11012201212 is an apocalyptic number.

It is an amenable number.

11012201212 is a deficient number, since it is larger than the sum of its proper divisors (8259929204).

11012201212 is a wasteful number, since it uses less digits than its factorization.

11012201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111188 (or 111186 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11012201212 its reverse (21210221011), we get a palindrome (32222422223).

The spelling of 11012201212 in words is "eleven billion, twelve million, two hundred one thousand, two hundred twelve".