11110021211212 has 192 divisors, whose sum is σ = 24882494128128. Its totient is φ = 4215823200000.

The previous prime is 11110021211197. The next prime is 11110021211221. The reversal of 11110021211212 is 21211212001111.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 483811243 + ... + 483834205.

It is an arithmetic number, because the mean of its divisors is an integer number (129596323584).

Almost surely, 2^{11110021211212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11110021211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12441247064064).

11110021211212 is an abundant number, since it is smaller than the sum of its proper divisors (13772472916916).

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

11110021211212 is a wasteful number, since it uses less digits than its factorization.

11110021211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23340 (or 23338 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11110021211212 its reverse (21211212001111), we get a palindrome (32321233212323).

It can be divided in two parts, 111100 and 21211212, that added together give a palindrome (21322312).

The spelling of 11110021211212 in words is "eleven trillion, one hundred ten billion, twenty-one million, two hundred eleven thousand, two hundred twelve".