11211120101012 has 24 divisors (see below), whose sum is σ = 21155496575136. Its totient is φ = 5167788310368.

The previous prime is 11211120101011. The next prime is 11211120101033. The reversal of 11211120101012 is 21010102111211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211120101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136933958 + ... + 137015805.

It is an arithmetic number, because the mean of its divisors is an integer number (881479023964).

Almost surely, 2^{11211120101012} is an apocalyptic number.

It is an amenable number.

11211120101012 is a deficient number, since it is larger than the sum of its proper divisors (9944376474124).

11211120101012 is a wasteful number, since it uses less digits than its factorization.

11211120101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273950567 (or 273950565 counting only the distinct ones).

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

Adding to 11211120101012 its reverse (21010102111211), we get a palindrome (32221222212223).

The spelling of 11211120101012 in words is "eleven trillion, two hundred eleven billion, one hundred twenty million, one hundred one thousand, twelve".