11421011042 has 24 divisors (see below), whose sum is σ = 19991419164. Its totient is φ = 4879264992.

The previous prime is 11421011003. The next prime is 11421011051. The reversal of 11421011042 is 24011012411.

11421011042 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 11406026401 + 14984641 = 106799^2 + 3871^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11421011042.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 152753 + ... + 214884.

Almost surely, 2^11421011042 is an apocalyptic number.

11421011042 is a deficient number, since it is larger than the sum of its proper divisors (8570408122).

11421011042 is a wasteful number, since it uses less digits than its factorization.

11421011042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367970 (or 367963 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11421011042 its reverse (24011012411), we get a palindrome (35432023453).

The spelling of 11421011042 in words is "eleven billion, four hundred twenty-one million, eleven thousand, forty-two".