1220010211999 has 4 divisors (see below), whose sum is σ = 1259365380160. Its totient is φ = 1180655043840.

The previous prime is 1220010211963. The next prime is 1220010212021. The reversal of 1220010211999 is 9991120100221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220010211999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220010211099) 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, 19677584034 + ... + 19677584095.

It is an arithmetic number, because the mean of its divisors is an integer number (314841345040).

Almost surely, 2^{1220010211999} is an apocalyptic number.

1220010211999 is a deficient number, since it is larger than the sum of its proper divisors (39355168161).

1220010211999 is an equidigital number, since it uses as much as digits as its factorization.

1220010211999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39355168160.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 1220010211999 in words is "one trillion, two hundred twenty billion, ten million, two hundred eleven thousand, nine hundred ninety-nine".