1101010100042 has 4 divisors (see below), whose sum is σ = 1651515150066. Its totient is φ = 550505050020.

The previous prime is 1101010099967. The next prime is 1101010100053. The reversal of 1101010100042 is 2400010101011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 933409109161 + 167600990881 = 966131^2 + 409391^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1101010099996 and 1101010100032.

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 as a sum of consecutive naturals, namely, 275252525009 + ... + 275252525012.

Almost surely, 2^{1101010100042} is an apocalyptic number.

1101010100042 is a deficient number, since it is larger than the sum of its proper divisors (550505050024).

1101010100042 is an equidigital number, since it uses as much as digits as its factorization.

1101010100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550505050023.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1101010100042 its reverse (2400010101011), we get a palindrome (3501020201053).

The spelling of 1101010100042 in words is "one trillion, one hundred one billion, ten million, one hundred thousand, forty-two".