2021011212219 has 8 divisors (see below), whose sum is σ = 2745524665872. Its totient is φ = 1321919283360.

The previous prime is 2021011212203. The next prime is 2021011212223. The reversal of 2021011212219 is 9122121101202.

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

It is not a de Polignac number, because 2021011212219 - 2⁴ = 2021011212203 is a prime.

It is a super-2 number, since 2×2021011212219² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021011212299) 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, 6355381012 + ... + 6355381329.

It is an arithmetic number, because the mean of its divisors is an integer number (343190583234).

Almost surely, 2^{2021011212219} is an apocalyptic number.

2021011212219 is a deficient number, since it is larger than the sum of its proper divisors (724513453653).

2021011212219 is a wasteful number, since it uses less digits than its factorization.

2021011212219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12710762397.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 2021011212219 in words is "two trillion, twenty-one billion, eleven million, two hundred twelve thousand, two hundred nineteen".