1121550210151 has 24 divisors (see below), whose sum is σ = 1373947658160. Its totient is φ = 910320768000.

The previous prime is 1121550210149. The next prime is 1121550210167. The reversal of 1121550210151 is 1510120551211.

It is not a de Polignac number, because 1121550210151 - 2¹ = 1121550210149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121550210101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1796551 + ... + 2338951.

It is an arithmetic number, because the mean of its divisors is an integer number (57247819090).

Almost surely, 2^{1121550210151} is an apocalyptic number.

1121550210151 is a deficient number, since it is larger than the sum of its proper divisors (252397448009).

1121550210151 is a wasteful number, since it uses less digits than its factorization.

1121550210151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544655 (or 544648 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 25.

Adding to 1121550210151 its reverse (1510120551211), we get a palindrome (2631670761362).

The spelling of 1121550210151 in words is "one trillion, one hundred twenty-one billion, five hundred fifty million, two hundred ten thousand, one hundred fifty-one".