1102272121 has 8 divisors (see below), whose sum is σ = 1124079264. Its totient is φ = 1080668160.

The previous prime is 1102272103. The next prime is 1102272131. The reversal of 1102272121 is 1212722011.

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 1102272121 - 2⁹ = 1102271609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102272131) 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, 39816 + ... + 61561.

It is an arithmetic number, because the mean of its divisors is an integer number (140509908).

Almost surely, 2^1102272121 is an apocalyptic number.

It is an amenable number.

1102272121 is a deficient number, since it is larger than the sum of its proper divisors (21807143).

1102272121 is a wasteful number, since it uses less digits than its factorization.

1102272121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101591.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1102272121 is about 33200.4837464757. The cubic root of 1102272121 is about 1032.9903737217.

Adding to 1102272121 its reverse (1212722011), we get a palindrome (2314994132).

The spelling of 1102272121 in words is "one billion, one hundred two million, two hundred seventy-two thousand, one hundred twenty-one".