210101221219 has 8 divisors (see below), whose sum is σ = 216884689920. Its totient is φ = 203318128200.

The previous prime is 210101221207. The next prime is 210101221243. The reversal of 210101221219 is 912122101012.

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-210101221219 is a prime.

It is a super-2 number, since 2×210101221219² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210101221219.

It is not an unprimeable number, because it can be changed into a prime (210101221249) 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, 1441122 + ... + 1580200.

It is an arithmetic number, because the mean of its divisors is an integer number (27110586240).

Almost surely, 2^210101221219 is an apocalyptic number.

210101221219 is a deficient number, since it is larger than the sum of its proper divisors (6783468701).

210101221219 is a wasteful number, since it uses less digits than its factorization.

210101221219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187841.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 210101221219 in words is "two hundred ten billion, one hundred one million, two hundred twenty-one thousand, two hundred nineteen".