1220021220219 has 16 divisors (see below), whose sum is σ = 1627388340480. Its totient is φ = 813000883040.

The previous prime is 1220021220191. The next prime is 1220021220281. The reversal of 1220021220219 is 9120221200221.

It is a cyclic number.

It is not a de Polignac number, because 1220021220219 - 2⁹ = 1220021219707 is a prime.

It is a super-4 number, since 4×1220021220219⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1220021290219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125524642 + ... + 125534360.

It is an arithmetic number, because the mean of its divisors is an integer number (101711771280).

Almost surely, 2^{1220021220219} is an apocalyptic number.

1220021220219 is a deficient number, since it is larger than the sum of its proper divisors (407367120261).

1220021220219 is an equidigital number, since it uses as much as digits as its factorization.

1220021220219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23250.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 1220021220219 in words is "one trillion, two hundred twenty billion, twenty-one million, two hundred twenty thousand, two hundred nineteen".