10111200111012 has 384 divisors, whose sum is σ = 33084678574080. Its totient is φ = 2318758410240.

The previous prime is 10111200110971. The next prime is 10111200111041. The reversal of 10111200111012 is 21011100211101.

It is a super-2 number, since 2×10111200111012² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26029398 + ... + 26414994.

It is an arithmetic number, because the mean of its divisors is an integer number (86158017120).

Almost surely, 2^{10111200111012} is an apocalyptic number.

10111200111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111200111012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16542339287040).

10111200111012 is an abundant number, since it is smaller than the sum of its proper divisors (22973478463068).

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

10111200111012 is a wasteful number, since it uses less digits than its factorization.

10111200111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385731 (or 385729 counting only the distinct ones).

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

Adding to 10111200111012 its reverse (21011100211101), we get a palindrome (31122300322113).

The spelling of 10111200111012 in words is "ten trillion, one hundred eleven billion, two hundred million, one hundred eleven thousand, twelve".