122211121000211 has 4 divisors (see below), whose sum is σ = 128643285263400. Its totient is φ = 115778956737024.

The previous prime is 122211121000201. The next prime is 122211121000229. The reversal of 122211121000211 is 112000121112221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122211121000211 - 2¹⁴ = 122211120983827 is a prime.

It is a super-2 number, since 2×122211121000211² (a number of 29 digits) contains 22 as substring.

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 122211121000211.

It is not an unprimeable number, because it can be changed into a prime (122211121000201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3216082131566 + ... + 3216082131603.

It is an arithmetic number, because the mean of its divisors is an integer number (32160821315850).

Almost surely, 2^{122211121000211} is an apocalyptic number.

122211121000211 is a deficient number, since it is larger than the sum of its proper divisors (6432164263189).

122211121000211 is an equidigital number, since it uses as much as digits as its factorization.

122211121000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432164263188.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122211121000211 its reverse (112000121112221), we get a palindrome (234211242112432).

The spelling of 122211121000211 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred twenty-one million, two hundred eleven", and thus it is an aban number.