1011224632442 has 4 divisors (see below), whose sum is σ = 1516836948666. Its totient is φ = 505612316220.

The previous prime is 1011224632403. The next prime is 1011224632471. The reversal of 1011224632442 is 2442364221101.

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., 580231069441 + 430993563001 = 761729^2 + 656501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011224632399 and 1011224632408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252806158109 + ... + 252806158112.

Almost surely, 2^{1011224632442} is an apocalyptic number.

1011224632442 is a deficient number, since it is larger than the sum of its proper divisors (505612316224).

1011224632442 is an equidigital number, since it uses as much as digits as its factorization.

1011224632442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505612316223.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 1011224632442 its reverse (2442364221101), we get a palindrome (3453588853543).

The spelling of 1011224632442 in words is "one trillion, eleven billion, two hundred twenty-four million, six hundred thirty-two thousand, four hundred forty-two".