122011211210222 has 4 divisors (see below), whose sum is σ = 183016816815336. Its totient is φ = 61005605605110.

The previous prime is 122011211210221. The next prime is 122011211210267. The reversal of 122011211210222 is 222012112110221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122011211210194 and 122011211210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011211210221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30502802802554 + ... + 30502802802557.

It is an arithmetic number, because the mean of its divisors is an integer number (45754204203834).

Almost surely, 2^{122011211210222} is an apocalyptic number.

122011211210222 is a deficient number, since it is larger than the sum of its proper divisors (61005605605114).

122011211210222 is an equidigital number, since it uses as much as digits as its factorization.

122011211210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61005605605113.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122011211210222 its reverse (222012112110221), we get a palindrome (344023323320443).

The spelling of 122011211210222 in words is "one hundred twenty-two trillion, eleven billion, two hundred eleven million, two hundred ten thousand, two hundred twenty-two".