1011211042 has 8 divisors (see below), whose sum is σ = 1518316956. Its totient is φ = 505105392.

The previous prime is 1011211021. The next prime is 1011211057. The reversal of 1011211042 is 2401121101.

1011211042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 593458321 + 417752721 = 24361^2 + 20439^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247533 + ... + 251584.

Almost surely, 2^1011211042 is an apocalyptic number.

1011211042 is a deficient number, since it is larger than the sum of its proper divisors (507105914).

1011211042 is a wasteful number, since it uses less digits than its factorization.

1011211042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500132.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1011211042 is about 31799.5446822749. The cubic root of 1011211042 is about 1003.7231350623.

Adding to 1011211042 its reverse (2401121101), we get a palindrome (3412332143).

The spelling of 1011211042 in words is "one billion, eleven million, two hundred eleven thousand, forty-two".