1150210221 has 8 divisors (see below), whose sum is σ = 1534557024. Its totient is φ = 766335120.

The previous prime is 1150210207. The next prime is 1150210223. The reversal of 1150210221 is 1220120511.

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

It is not a de Polignac number, because 1150210221 - 2¹³ = 1150202029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1150210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150210223) 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, 112195 + ... + 122016.

It is an arithmetic number, because the mean of its divisors is an integer number (191819628).

Almost surely, 2^1150210221 is an apocalyptic number.

It is an amenable number.

1150210221 is a deficient number, since it is larger than the sum of its proper divisors (384346803).

1150210221 is a wasteful number, since it uses less digits than its factorization.

1150210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235851.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1150210221 is about 33914.7493135361. The cubic root of 1150210221 is about 1047.7533888025.

Adding to 1150210221 its reverse (1220120511), we get a palindrome (2370330732).

The spelling of 1150210221 in words is "one billion, one hundred fifty million, two hundred ten thousand, two hundred twenty-one".