122210200021211 has 4 divisors (see below), whose sum is σ = 122501871143400. Its totient is φ = 121918528899024.

The previous prime is 122210200021183. The next prime is 122210200021223. The reversal of 122210200021211 is 112120002012221.

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 122210200021211 - 2²² = 122210195826907 is a prime.

It is a super-2 number, since 2×122210200021211² (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 122210200021211.

It is not an unprimeable number, because it can be changed into a prime (122210200021241) 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, 145835560466 + ... + 145835561303.

It is an arithmetic number, because the mean of its divisors is an integer number (30625467785850).

Almost surely, 2^{122210200021211} is an apocalyptic number.

122210200021211 is a deficient number, since it is larger than the sum of its proper divisors (291671122189).

122210200021211 is an equidigital number, since it uses as much as digits as its factorization.

122210200021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291671122188.

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

Adding to 122210200021211 its reverse (112120002012221), we get a palindrome (234330202033432).

The spelling of 122210200021211 in words is "one hundred twenty-two trillion, two hundred ten billion, two hundred million, twenty-one thousand, two hundred eleven".