11222101021 has 8 divisors (see below), whose sum is σ = 11503949184. Its totient is φ = 10940640480.

The previous prime is 11222101001. The next prime is 11222101039. The reversal of 11222101021 is 12010122211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11222101021 - 2⁷ = 11222100893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222100992 and 11222101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222101001) 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, 37831 + ... + 154516.

It is an arithmetic number, because the mean of its divisors is an integer number (1437993648).

Almost surely, 2^11222101021 is an apocalyptic number.

It is an amenable number.

11222101021 is a deficient number, since it is larger than the sum of its proper divisors (281848163).

11222101021 is a wasteful number, since it uses less digits than its factorization.

11222101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193811.

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

Adding to 11222101021 its reverse (12010122211), we get a palindrome (23232223232).

The spelling of 11222101021 in words is "eleven billion, two hundred twenty-two million, one hundred one thousand, twenty-one".