1042202111 has 4 divisors (see below), whose sum is σ = 1064376672. Its totient is φ = 1020027552.

The previous prime is 1042202107. The next prime is 1042202159. The reversal of 1042202111 is 1112022401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1112022401 = 7 ⋅158860343.

It is a cyclic number.

It is not a de Polignac number, because 1042202111 - 2² = 1042202107 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 (1042202191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11087210 + ... + 11087303.

It is an arithmetic number, because the mean of its divisors is an integer number (266094168).

Almost surely, 2^1042202111 is an apocalyptic number.

1042202111 is a deficient number, since it is larger than the sum of its proper divisors (22174561).

1042202111 is an equidigital number, since it uses as much as digits as its factorization.

1042202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22174560.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1042202111 is about 32283.1552206410. The cubic root of 1042202111 is about 1013.8739924753.

Adding to 1042202111 its reverse (1112022401), we get a palindrome (2154224512).

The spelling of 1042202111 in words is "one billion, forty-two million, two hundred two thousand, one hundred eleven".