1141210221 has 32 divisors (see below), whose sum is σ = 1643328000. Its totient is φ = 701875200.

The previous prime is 1141210219. The next prime is 1141210229. The reversal of 1141210221 is 1220121411.

It is not a de Polignac number, because 1141210221 - 2¹ = 1141210219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1141210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141210229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599371 + ... + 601271.

It is an arithmetic number, because the mean of its divisors is an integer number (51354000).

Almost surely, 2^1141210221 is an apocalyptic number.

It is an amenable number.

1141210221 is a deficient number, since it is larger than the sum of its proper divisors (502117779).

1141210221 is a wasteful number, since it uses less digits than its factorization.

1141210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1141210221 is about 33781.8031046302. The cubic root of 1141210221 is about 1045.0134598359.

Adding to 1141210221 its reverse (1220121411), we get a palindrome (2361331632).

The spelling of 1141210221 in words is "one billion, one hundred forty-one million, two hundred ten thousand, two hundred twenty-one".