1201011110112 has 48 divisors (see below), whose sum is σ = 3439259091072. Its totient is φ = 363942760320.

The previous prime is 1201011110087. The next prime is 1201011110129. The reversal of 1201011110112 is 2110111101021.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1201011110112² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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, 568659508 + ... + 568661619.

It is an arithmetic number, because the mean of its divisors is an integer number (71651231064).

Almost surely, 2^{1201011110112} is an apocalyptic number.

1201011110112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201011110112 is an abundant number, since it is smaller than the sum of its proper divisors (2238247980960).

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

1201011110112 is a wasteful number, since it uses less digits than its factorization.

1201011110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137321151 (or 1137321143 counting only the distinct ones).

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

Adding to 1201011110112 its reverse (2110111101021), we get a palindrome (3311122211133).

Subtracting 1201011110112 from its reverse (2110111101021), we obtain a palindrome (909099990909).

The spelling of 1201011110112 in words is "one trillion, two hundred one billion, eleven million, one hundred ten thousand, one hundred twelve".