1001011201219 has 4 divisors (see below), whose sum is σ = 1003738752544. Its totient is φ = 998283649896.

The previous prime is 1001011201189. The next prime is 1001011201261. The reversal of 1001011201219 is 9121021101001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001011201219 - 2³⁵ = 966651462851 is a prime.

It is a super-2 number, since 2×1001011201219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001011201196 and 1001011201205.

It is not an unprimeable number, because it can be changed into a prime (1001011205219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363775112 + ... + 1363775845.

It is an arithmetic number, because the mean of its divisors is an integer number (250934688136).

Almost surely, 2^{1001011201219} is an apocalyptic number.

1001011201219 is a deficient number, since it is larger than the sum of its proper divisors (2727551325).

1001011201219 is an equidigital number, since it uses as much as digits as its factorization.

1001011201219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727551324.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 1001011201219 in words is "one trillion, one billion, eleven million, two hundred one thousand, two hundred nineteen".