1010221231 has 8 divisors (see below), whose sum is σ = 1047878480. Its totient is φ = 973207872.

The previous prime is 1010221229. The next prime is 1010221253. The reversal of 1010221231 is 1321220101.

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 1010221231 - 2¹ = 1010221229 is a prime.

It is a super-2 number, since 2×1010221231² = 2041093871126310722, which 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 (1010222231) 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, 157776 + ... + 164053.

It is an arithmetic number, because the mean of its divisors is an integer number (130984810).

Almost surely, 2^1010221231 is an apocalyptic number.

1010221231 is a deficient number, since it is larger than the sum of its proper divisors (37657249).

1010221231 is an equidigital number, since it uses as much as digits as its factorization.

1010221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321945.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1010221231 is about 31783.9775830528. The cubic root of 1010221231 is about 1003.3955342971.

Adding to 1010221231 its reverse (1321220101), we get a palindrome (2331441332).

The spelling of 1010221231 in words is "one billion, ten million, two hundred twenty-one thousand, two hundred thirty-one".