11021001101212 has 12 divisors (see below), whose sum is σ = 19650652907256. Its totient is φ = 5406528842000.

The previous prime is 11021001101207. The next prime is 11021001101219. The reversal of 11021001101212 is 21210110012011.

It is a happy number.

It is a super-2 number, since 2×11021001101212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11021001101192 and 11021001101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021001101219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25992926914 + ... + 25992927337.

It is an arithmetic number, because the mean of its divisors is an integer number (1637554408938).

Almost surely, 2^{11021001101212} is an apocalyptic number.

It is an amenable number.

11021001101212 is a deficient number, since it is larger than the sum of its proper divisors (8629651806044).

11021001101212 is a wasteful number, since it uses less digits than its factorization.

11021001101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51985854308 (or 51985854306 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11021001101212 its reverse (21210110012011), we get a palindrome (32231111113223).

The spelling of 11021001101212 in words is "eleven trillion, twenty-one billion, one million, one hundred one thousand, two hundred twelve".