1142102211 has 8 divisors (see below), whose sum is σ = 1612379664. Its totient is φ = 716613120.

The previous prime is 1142102197. The next prime is 1142102233. The reversal of 1142102211 is 1122012411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142102211 - 2⁷ = 1142102083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142102261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11197030 + ... + 11197131.

It is an arithmetic number, because the mean of its divisors is an integer number (201547458).

Almost surely, 2^1142102211 is an apocalyptic number.

1142102211 is a deficient number, since it is larger than the sum of its proper divisors (470277453).

1142102211 is a wasteful number, since it uses less digits than its factorization.

1142102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22394181.

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

The square root of 1142102211 is about 33795.0027518863. The cubic root of 1142102211 is about 1045.2856559031.

Adding to 1142102211 its reverse (1122012411), we get a palindrome (2264114622).

The spelling of 1142102211 in words is "one billion, one hundred forty-two million, one hundred two thousand, two hundred eleven".