1012021021119 has 4 divisors (see below), whose sum is σ = 1349361361496. Its totient is φ = 674680680744.

The previous prime is 1012021021043. The next prime is 1012021021153. The reversal of 1012021021119 is 9111201202101.

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

It is not a de Polignac number, because 1012021021119 - 2⁷ = 1012021020991 is a prime.

It is a super-2 number, since 2×1012021021119² (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 = 1012021021095 and 1012021021104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012021021159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168670170184 + ... + 168670170189.

It is an arithmetic number, because the mean of its divisors is an integer number (337340340374).

Almost surely, 2^{1012021021119} is an apocalyptic number.

1012021021119 is a deficient number, since it is larger than the sum of its proper divisors (337340340377).

1012021021119 is an equidigital number, since it uses as much as digits as its factorization.

1012021021119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337340340376.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 1012021021119 in words is "one trillion, twelve billion, twenty-one million, twenty-one thousand, one hundred nineteen".