1011210042 has 32 divisors (see below), whose sum is σ = 2111961600. Its totient is φ = 322168880.

The previous prime is 1011210041. The next prime is 1011210043. The reversal of 1011210042 is 2400121101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1011210041) and next prime (1011210043).

It is not an unprimeable number, because it can be changed into a prime (1011210041) 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, 287917 + ... + 291407.

It is an arithmetic number, because the mean of its divisors is an integer number (65998800).

Almost surely, 2^1011210042 is an apocalyptic number.

1011210042 is an abundant number, since it is smaller than the sum of its proper divisors (1100751558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011210042 is a wasteful number, since it uses less digits than its factorization.

1011210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1011210042 is about 31799.5289587755. The cubic root of 1011210042 is about 1003.7228041971.

Adding to 1011210042 its reverse (2400121101), we get a palindrome (3411331143).

The spelling of 1011210042 in words is "one billion, eleven million, two hundred ten thousand, forty-two".