1121010423534 has 72 divisors (see below), whose sum is σ = 2516340635640. Its totient is φ = 360664065216.

The previous prime is 1121010423503. The next prime is 1121010423581. The reversal of 1121010423534 is 4353240101211.

1121010423534 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 0 + 104 + 23 + 534 = 666.

It is a super-2 number, since 2×1121010423534² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121010423498 and 1121010423507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52503049 + ... + 52524395.

It is an arithmetic number, because the mean of its divisors is an integer number (34949175495).

Almost surely, 2^{1121010423534} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121010423534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1258170317820).

1121010423534 is an abundant number, since it is smaller than the sum of its proper divisors (1395330212106).

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

1121010423534 is a wasteful number, since it uses less digits than its factorization.

1121010423534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24882 (or 24850 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1121010423534 its reverse (4353240101211), we get a palindrome (5474250524745).

The spelling of 1121010423534 in words is "one trillion, one hundred twenty-one billion, ten million, four hundred twenty-three thousand, five hundred thirty-four".