11021102011212 has 24 divisors (see below), whose sum is σ = 25716593716800. Its totient is φ = 3673602238416.

The previous prime is 11021102011189. The next prime is 11021102011217. The reversal of 11021102011212 is 21211020112011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11021102011191 and 11021102011200.

It is not an unprimeable number, because it can be changed into a prime (11021102011217) 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, 11836762 + ... + 12733857.

It is an arithmetic number, because the mean of its divisors is an integer number (1071524738200).

Almost surely, 2^{11021102011212} is an apocalyptic number.

11021102011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11021102011212 is an abundant number, since it is smaller than the sum of its proper divisors (14695491705588).

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

11021102011212 is a wasteful number, since it uses less digits than its factorization.

11021102011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24608005 (or 24608003 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11021102011212 its reverse (21211020112011), we get a palindrome (32232122123223).

The spelling of 11021102011212 in words is "eleven trillion, twenty-one billion, one hundred two million, eleven thousand, two hundred twelve".