1102225021 has 16 divisors (see below), whose sum is σ = 1161957888. Its totient is φ = 1043539200.

The previous prime is 1102225009. The next prime is 1102225037. The reversal of 1102225021 is 1205222011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1102225021 - 2⁵ = 1102224989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102224986 and 1102225004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102225051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127685 + ... + 1128661.

It is an arithmetic number, because the mean of its divisors is an integer number (72622368).

Almost surely, 2^1102225021 is an apocalyptic number.

It is an amenable number.

1102225021 is a deficient number, since it is larger than the sum of its proper divisors (59732867).

1102225021 is a wasteful number, since it uses less digits than its factorization.

1102225021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1102225021 is about 33199.7744118842. The cubic root of 1102225021 is about 1032.9756603133.

Adding to 1102225021 its reverse (1205222011), we get a palindrome (2307447032).

The spelling of 1102225021 in words is "one billion, one hundred two million, two hundred twenty-five thousand, twenty-one".