1101243421524 has 24 divisors (see below), whose sum is σ = 2583021224448. Its totient is φ = 365159248960.

The previous prime is 1101243421519. The next prime is 1101243421543. The reversal of 1101243421524 is 4251243421011.

It is a junction number, because it is equal to n+sod(n) for n = 1101243421491 and 1101243421500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240234057 + ... + 240238640.

It is an arithmetic number, because the mean of its divisors is an integer number (107625884352).

Almost surely, 2^{1101243421524} is an apocalyptic number.

It is an amenable number.

1101243421524 is an abundant number, since it is smaller than the sum of its proper divisors (1481777802924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101243421524 is a wasteful number, since it uses less digits than its factorization.

1101243421524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480472895 (or 480472893 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 1101243421524 its reverse (4251243421011), we get a palindrome (5352486842535).

The spelling of 1101243421524 in words is "one trillion, one hundred one billion, two hundred forty-three million, four hundred twenty-one thousand, five hundred twenty-four".