1001135434220 has 48 divisors (see below), whose sum is σ = 2280348116928. Its totient is φ = 367705405440.

The previous prime is 1001135434219. The next prime is 1001135434241. The reversal of 1001135434220 is 224345311001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001135434220.

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 15 ways as a sum of consecutive naturals, for example, 35894792 + ... + 35922671.

It is an arithmetic number, because the mean of its divisors is an integer number (47507252436).

Almost surely, 2^{1001135434220} is an apocalyptic number.

1001135434220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001135434220 is an abundant number, since it is smaller than the sum of its proper divisors (1279212682708).

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

1001135434220 is a wasteful number, since it uses less digits than its factorization.

1001135434220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71817530 (or 71817528 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 1001135434220 in words is "one trillion, one billion, one hundred thirty-five million, four hundred thirty-four thousand, two hundred twenty".