11001211121012 has 12 divisors (see below), whose sum is σ = 22002422242080. Its totient is φ = 4714804766136.

The previous prime is 11001211120993. The next prime is 11001211121051. The reversal of 11001211121012 is 21012111210011.

11001211121012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

11001211121012 is an admirable number.

It is a super-2 number, since 2×11001211121012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 196450198562 + ... + 196450198617.

It is an arithmetic number, because the mean of its divisors is an integer number (1833535186840).

Almost surely, 2^{11001211121012} is an apocalyptic number.

It is an amenable number.

11001211121012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001211121012 is a wasteful number, since it uses less digits than its factorization.

11001211121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392900397190 (or 392900397188 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11001211121012 its reverse (21012111210011), we get a palindrome (32013322331023).

The spelling of 11001211121012 in words is "eleven trillion, one billion, two hundred eleven million, one hundred twenty-one thousand, twelve".