2221210012211 has 8 divisors (see below), whose sum is σ = 2454124617504. Its totient is φ = 1999657095040.

The previous prime is 2221210012183. The next prime is 2221210012267. The reversal of 2221210012211 is 1122100121222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221210012211 - 2²⁶ = 2221142903347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 2221210012211.

It is not an unprimeable number, because it can be changed into a prime (2221210012291) 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, 2840421620 + ... + 2840422401.

It is an arithmetic number, because the mean of its divisors is an integer number (306765577188).

Almost surely, 2^{2221210012211} is an apocalyptic number.

2221210012211 is a deficient number, since it is larger than the sum of its proper divisors (232914605293).

2221210012211 is a wasteful number, since it uses less digits than its factorization.

2221210012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680844061.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2221210012211 its reverse (1122100121222), we get a palindrome (3343310133433).

The spelling of 2221210012211 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, twelve thousand, two hundred eleven".