11222212101021 has 16 divisors (see below), whose sum is σ = 17500525694400. Its totient is φ = 7087712905584.

The previous prime is 11222212101007. The next prime is 11222212101031. The reversal of 11222212101021 is 12010121222211.

It is not a de Polignac number, because 11222212101021 - 2¹⁵ = 11222212068253 is a prime.

It is a super-3 number, since 3×11222212101021³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11222212100985 and 11222212101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222212101031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10937828046 + ... + 10937829071.

It is an arithmetic number, because the mean of its divisors is an integer number (1093782855900).

Almost surely, 2^{11222212101021} is an apocalyptic number.

It is an amenable number.

11222212101021 is a deficient number, since it is larger than the sum of its proper divisors (6278313593379).

11222212101021 is a wasteful number, since it uses less digits than its factorization.

11222212101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21875657145 (or 21875657139 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11222212101021 its reverse (12010121222211), we get a palindrome (23232333323232).

The spelling of 11222212101021 in words is "eleven trillion, two hundred twenty-two billion, two hundred twelve million, one hundred one thousand, twenty-one".