1144202030021 has 8 divisors (see below), whose sum is σ = 1168613289984. Its totient is φ = 1119793542480.

The previous prime is 1144202030017. The next prime is 1144202030029. The reversal of 1144202030021 is 1200302024411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144202030021 - 2² = 1144202030017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144202029975 and 1144202030002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144202030029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151991 + ... + 1520363.

It is an arithmetic number, because the mean of its divisors is an integer number (146076661248).

Almost surely, 2^{1144202030021} is an apocalyptic number.

It is an amenable number.

1144202030021 is a deficient number, since it is larger than the sum of its proper divisors (24411259963).

1144202030021 is a wasteful number, since it uses less digits than its factorization.

1144202030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386211.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1144202030021 its reverse (1200302024411), we get a palindrome (2344504054432).

The spelling of 1144202030021 in words is "one trillion, one hundred forty-four billion, two hundred two million, thirty thousand, twenty-one".