210220210001999 has 8 divisors (see below), whose sum is σ = 212885633290560. Its totient is φ = 207554896912896.

The previous prime is 210220210001903. The next prime is 210220210002041. The reversal of 210220210001999 is 999100012022012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210220210001999 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 (210220210007999) 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, 23707034 + ... + 31344279.

It is an arithmetic number, because the mean of its divisors is an integer number (26610704161320).

Almost surely, 2^{210220210001999} is an apocalyptic number.

210220210001999 is a deficient number, since it is larger than the sum of its proper divisors (2665423288561).

210220210001999 is an equidigital number, since it uses as much as digits as its factorization.

210220210001999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55099729.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 210220210001999 in words is "two hundred ten trillion, two hundred twenty billion, two hundred ten million, one thousand, nine hundred ninety-nine".