11212222211012 has 96 divisors (see below), whose sum is σ = 20716602052608. Its totient is φ = 5302674000000.

The previous prime is 11212222211011. The next prime is 11212222211087. The reversal of 11212222211012 is 21011222221211.

It is a super-2 number, since 2×11212222211012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212222211011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841057187 + ... + 841070517.

It is an arithmetic number, because the mean of its divisors is an integer number (215797938048).

Almost surely, 2^{11212222211012} is an apocalyptic number.

It is an amenable number.

11212222211012 is a deficient number, since it is larger than the sum of its proper divisors (9504379841596).

11212222211012 is a wasteful number, since it uses less digits than its factorization.

11212222211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14121 (or 14119 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11212222211012 its reverse (21011222221211), we get a palindrome (32223444432223).

The spelling of 11212222211012 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-two million, two hundred eleven thousand, twelve".