1110213421 has 2 divisors, whose sum is σ = 1110213422. Its totient is φ = 1110213420.

The previous prime is 1110213371. The next prime is 1110213437. The reversal of 1110213421 is 1243120111.

It is an a-pointer prime, because the next prime (1110213437) can be obtained adding 1110213421 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 795860521 + 314352900 = 28211^2 + 17730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110213421 - 2¹⁷ = 1110082349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110213395 and 1110213404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110213451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555106710 + 555106711.

It is an arithmetic number, because the mean of its divisors is an integer number (555106711).

Almost surely, 2^1110213421 is an apocalyptic number.

It is an amenable number.

1110213421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110213421 is an equidigital number, since it uses as much as digits as its factorization.

1110213421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1110213421 is about 33319.8652608320. The cubic root of 1110213421 is about 1035.4651603095.

Adding to 1110213421 its reverse (1243120111), we get a palindrome (2353333532).

The spelling of 1110213421 in words is "one billion, one hundred ten million, two hundred thirteen thousand, four hundred twenty-one".