11221032101 has 4 divisors (see below), whose sum is σ = 11226681312. Its totient is φ = 11215382892.

The previous prime is 11221032073. The next prime is 11221032107. The reversal of 11221032101 is 10123012211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221032101 is a prime.

It is a super-2 number, since 2×11221032101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221032107) 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, 2821625 + ... + 2825598.

It is an arithmetic number, because the mean of its divisors is an integer number (2806670328).

Almost surely, 2^11221032101 is an apocalyptic number.

It is an amenable number.

11221032101 is a deficient number, since it is larger than the sum of its proper divisors (5649211).

11221032101 is an equidigital number, since it uses as much as digits as its factorization.

11221032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5649210.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11221032101 its reverse (10123012211), we get a palindrome (21344044312).

The spelling of 11221032101 in words is "eleven billion, two hundred twenty-one million, thirty-two thousand, one hundred one".