1102212143 has 4 divisors (see below), whose sum is σ = 1129095408. Its totient is φ = 1075328880.

The previous prime is 1102212131. The next prime is 1102212151. The reversal of 1102212143 is 3412122011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412122011 = 19 ⋅179585369.

It is a cyclic number.

It is not a de Polignac number, because 1102212143 - 2¹⁰ = 1102211119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102212043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13441571 + ... + 13441652.

It is an arithmetic number, because the mean of its divisors is an integer number (282273852).

Almost surely, 2^1102212143 is an apocalyptic number.

1102212143 is a deficient number, since it is larger than the sum of its proper divisors (26883265).

1102212143 is an equidigital number, since it uses as much as digits as its factorization.

1102212143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26883264.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1102212143 is about 33199.5804642167. The cubic root of 1102212143 is about 1032.9716373258.

Adding to 1102212143 its reverse (3412122011), we get a palindrome (4514334154).

The spelling of 1102212143 in words is "one billion, one hundred two million, two hundred twelve thousand, one hundred forty-three".