1141511032221 has 32 divisors (see below), whose sum is σ = 1754016998400. Its totient is φ = 646845502464.

The previous prime is 1141511032153. The next prime is 1141511032229. The reversal of 1141511032221 is 1222301151411.

It is a happy number.

It is not a de Polignac number, because 1141511032221 - 2²¹ = 1141508935069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1141511032191 and 1141511032200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141511032229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165566 + ... + 1908288.

It is an arithmetic number, because the mean of its divisors is an integer number (54813031200).

Almost surely, 2^{1141511032221} is an apocalyptic number.

It is an amenable number.

1141511032221 is a deficient number, since it is larger than the sum of its proper divisors (612505966179).

1141511032221 is a wasteful number, since it uses less digits than its factorization.

1141511032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743345.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 1141511032221 its reverse (1222301151411), we get a palindrome (2363812183632).

The spelling of 1141511032221 in words is "one trillion, one hundred forty-one billion, five hundred eleven million, thirty-two thousand, two hundred twenty-one".