12211111101270 has 16 divisors (see below), whose sum is σ = 29306666643120. Its totient is φ = 3256296293664.

The previous prime is 12211111101269. The next prime is 12211111101349. The reversal of 12211111101270 is 7210111111221.

12211111101270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211111101270² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203518518325 + ... + 203518518384.

It is an arithmetic number, because the mean of its divisors is an integer number (1831666665195).

Almost surely, 2^{12211111101270} is an apocalyptic number.

12211111101270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211111101270 is an abundant number, since it is smaller than the sum of its proper divisors (17095555541850).

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

12211111101270 is a wasteful number, since it uses less digits than its factorization.

12211111101270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407037036719.

The product of its (nonzero) digits is 56, while the sum is 21.

Adding to 12211111101270 its reverse (7210111111221), we get a palindrome (19421222212491).

The spelling of 12211111101270 in words is "twelve trillion, two hundred eleven billion, one hundred eleven million, one hundred one thousand, two hundred seventy".