1110212421 has 16 divisors (see below), whose sum is σ = 1570777344. Its totient is φ = 695084544.

The previous prime is 1110212401. The next prime is 1110212437. The reversal of 1110212421 is 1242120111.

It is not a de Polignac number, because 1110212421 - 2¹⁴ = 1110196037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1110212421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110212401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105 + ... + 47121.

It is an arithmetic number, because the mean of its divisors is an integer number (98173584).

Almost surely, 2^1110212421 is an apocalyptic number.

It is an amenable number.

1110212421 is a deficient number, since it is larger than the sum of its proper divisors (460564923).

1110212421 is a wasteful number, since it uses less digits than its factorization.

1110212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47500.

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

The square root of 1110212421 is about 33319.8502547656. The cubic root of 1110212421 is about 1035.4648494187.

Adding to 1110212421 its reverse (1242120111), we get a palindrome (2352332532).

It can be divided in two parts, 1110 and 212421, that added together give a triangular number (213531 = T₆₅₃).

The spelling of 1110212421 in words is "one billion, one hundred ten million, two hundred twelve thousand, four hundred twenty-one".