211101001101012 has 24 divisors (see below), whose sum is σ = 537348002802912. Its totient is φ = 63970000333600.

The previous prime is 211101001100999. The next prime is 211101001101013. The reversal of 211101001101012 is 210101100101112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211101001101013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799625004039 + ... + 799625004302.

It is an arithmetic number, because the mean of its divisors is an integer number (22389500116788).

Almost surely, 2^{211101001101012} is an apocalyptic number.

211101001101012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211101001101012 is an abundant number, since it is smaller than the sum of its proper divisors (326247001701900).

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

211101001101012 is a wasteful number, since it uses less digits than its factorization.

211101001101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599250008359 (or 1599250008357 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 211101001101012 its reverse (210101100101112), we get a palindrome (421202101202124).

The spelling of 211101001101012 in words is "two hundred eleven trillion, one hundred one billion, one million, one hundred one thousand, twelve".