11221021101 has 8 divisors (see below), whose sum is σ = 14962007520. Its totient is φ = 7480357712.

The previous prime is 11221021093. The next prime is 11221021111. The reversal of 11221021101 is 10112012211.

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 11221021101 - 2³ = 11221021093 is a prime.

It is a super-2 number, since 2×11221021101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221021111) 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, 17311 + ... + 150803.

It is an arithmetic number, because the mean of its divisors is an integer number (1870250940).

Almost surely, 2^11221021101 is an apocalyptic number.

It is an amenable number.

11221021101 is a deficient number, since it is larger than the sum of its proper divisors (3740986419).

11221021101 is a wasteful number, since it uses less digits than its factorization.

11221021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161515.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11221021101 its reverse (10112012211), we get a palindrome (21333033312).

The spelling of 11221021101 in words is "eleven billion, two hundred twenty-one million, twenty-one thousand, one hundred one".