11221020010012 has 24 divisors (see below), whose sum is σ = 20054876405760. Its totient is φ = 5491058744880.

The previous prime is 11221020010009. The next prime is 11221020010019. The reversal of 11221020010012 is 21001002012211.

It is a super-2 number, since 2×11221020010012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221020009974 and 11221020010001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221020010019) 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, 14017189 + ... + 14796067.

It is an arithmetic number, because the mean of its divisors is an integer number (835619850240).

Almost surely, 2^{11221020010012} is an apocalyptic number.

It is an amenable number.

11221020010012 is a deficient number, since it is larger than the sum of its proper divisors (8833856395748).

11221020010012 is a wasteful number, since it uses less digits than its factorization.

11221020010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855561 (or 855559 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11221020010012 its reverse (21001002012211), we get a palindrome (32222022022223).

The spelling of 11221020010012 in words is "eleven trillion, two hundred twenty-one billion, twenty million, ten thousand, twelve".