210211221212222 has 8 divisors (see below), whose sum is σ = 315323283988272. Its totient is φ = 105103459882800.

The previous prime is 210211221212107. The next prime is 210211221212231. The reversal of 210211221212222 is 222212122112012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075239479 + ... + 1075434962.

It is an arithmetic number, because the mean of its divisors is an integer number (39415410498534).

Almost surely, 2^{210211221212222} is an apocalyptic number.

210211221212222 is a deficient number, since it is larger than the sum of its proper divisors (105112062776050).

210211221212222 is a wasteful number, since it uses less digits than its factorization.

210211221212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150723314.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 210211221212222 its reverse (222212122112012), we get a palindrome (432423343324234).

The spelling of 210211221212222 in words is "two hundred ten trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twelve thousand, two hundred twenty-two".