1102021231 has 2 divisors, whose sum is σ = 1102021232. Its totient is φ = 1102021230.

The previous prime is 1102021189. The next prime is 1102021259. The reversal of 1102021231 is 1321202011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1102021231 - 2¹³ = 1102013039 is a prime.

It is a super-2 number, since 2×1102021231² = 2428901587149510722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102091231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551010615 + 551010616.

It is an arithmetic number, because the mean of its divisors is an integer number (551010616).

Almost surely, 2^1102021231 is an apocalyptic number.

1102021231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102021231 is an equidigital number, since it uses as much as digits as its factorization.

1102021231 is an evil number, because the sum of its binary digits is even.

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

The square root of 1102021231 is about 33196.7051226473. The cubic root of 1102021231 is about 1032.9119942194.

Adding to 1102021231 its reverse (1321202011), we get a palindrome (2423223242).

The spelling of 1102021231 in words is "one billion, one hundred two million, twenty-one thousand, two hundred thirty-one".