211220133301222 has 8 divisors (see below), whose sum is σ = 317347051829616. Its totient is φ = 105437782691352.

The previous prime is 211220133301213. The next prime is 211220133301249. The reversal of 211220133301222 is 222103331022112.

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

It is a super-2 number, since 2×211220133301222² (a number of 29 digits) contains 22 as substring.

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, 86141978098 + ... + 86141980549.

It is an arithmetic number, because the mean of its divisors is an integer number (39668381478702).

Almost surely, 2^{211220133301222} is an apocalyptic number.

211220133301222 is a deficient number, since it is larger than the sum of its proper divisors (106126918528394).

211220133301222 is a wasteful number, since it uses less digits than its factorization.

211220133301222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172283959262.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 211220133301222 its reverse (222103331022112), we get a palindrome (433323464323334).

The spelling of 211220133301222 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred thirty-three million, three hundred one thousand, two hundred twenty-two".