1121401055050 has 12 divisors (see below), whose sum is σ = 2085805962486. Its totient is φ = 448560422000.

The previous prime is 1121401055041. The next prime is 1121401055083. The reversal of 1121401055050 is 505501041211.

It can be written as a sum of positive squares in 3 ways, for example, as 409859881209 + 711541173841 = 640203^2 + 843529^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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 5 ways as a sum of consecutive naturals, for example, 11214010501 + ... + 11214010600.

Almost surely, 2^{1121401055050} is an apocalyptic number.

1121401055050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121401055050 is a deficient number, since it is larger than the sum of its proper divisors (964404907436).

1121401055050 is a wasteful number, since it uses less digits than its factorization.

1121401055050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22428021113 (or 22428021108 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 1121401055050 its reverse (505501041211), we get a palindrome (1626902096261).

The spelling of 1121401055050 in words is "one trillion, one hundred twenty-one billion, four hundred one million, fifty-five thousand, fifty".