1020121120219 has 8 divisors (see below), whose sum is σ = 1048958851248. Its totient is φ = 991350067680.

The previous prime is 1020121120199. The next prime is 1020121120259. The reversal of 1020121120219 is 9120211210201.

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 1020121120219 - 2⁷ = 1020121120091 is a prime.

It is a super-2 number, since 2×1020121120219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020121120219.

It is not an unprimeable number, because it can be changed into a prime (1020121120259) 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, 16638592 + ... + 16699789.

It is an arithmetic number, because the mean of its divisors is an integer number (131119856406).

Almost surely, 2^{1020121120219} is an apocalyptic number.

1020121120219 is a deficient number, since it is larger than the sum of its proper divisors (28837731029).

1020121120219 is an equidigital number, since it uses as much as digits as its factorization.

1020121120219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33339245.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1020121120219 in words is "one trillion, twenty billion, one hundred twenty-one million, one hundred twenty thousand, two hundred nineteen".