10021211011219 has 4 divisors (see below), whose sum is σ = 10021294073296. Its totient is φ = 10021127949144.

The previous prime is 10021211011129. The next prime is 10021211011247. The reversal of 10021211011219 is 91211011212001.

It is a happy number.

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 10021211011219 - 2¹⁷ = 10021210880147 is a prime.

It is a super-2 number, since 2×10021211011219² (a number of 27 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 10021211011219.

It is not an unprimeable number, because it can be changed into a prime (10021211011619) 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, 41349804 + ... + 41591449.

It is an arithmetic number, because the mean of its divisors is an integer number (2505323518324).

Almost surely, 2^{10021211011219} is an apocalyptic number.

10021211011219 is a deficient number, since it is larger than the sum of its proper divisors (83062077).

10021211011219 is an equidigital number, since it uses as much as digits as its factorization.

10021211011219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83062076.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 10021211011219 in words is "ten trillion, twenty-one billion, two hundred eleven million, eleven thousand, two hundred nineteen".