1101202221 has 8 divisors (see below), whose sum is σ = 1678022464. Its totient is φ = 629258400.

The previous prime is 1101202213. The next prime is 1101202237. The reversal of 1101202221 is 1222021011.

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

It is not a de Polignac number, because 1101202221 - 2³ = 1101202213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101202197 and 1101202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101202241) 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, 26219080 + ... + 26219121.

It is an arithmetic number, because the mean of its divisors is an integer number (209752808).

Almost surely, 2^1101202221 is an apocalyptic number.

It is an amenable number.

1101202221 is a deficient number, since it is larger than the sum of its proper divisors (576820243).

1101202221 is an equidigital number, since it uses as much as digits as its factorization.

1101202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52438211.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1101202221 is about 33184.3671176655. The cubic root of 1101202221 is about 1032.6560478771.

Adding to 1101202221 its reverse (1222021011), we get a palindrome (2323223232).

The spelling of 1101202221 in words is "one billion, one hundred one million, two hundred two thousand, two hundred twenty-one".