122122210212011 has 16 divisors (see below), whose sum is σ = 122874387222528. Its totient is φ = 121372490803200.

The previous prime is 122122210211951. The next prime is 122122210212017. The reversal of 122122210212011 is 110212012221221.

It is a cyclic number.

It is not a de Polignac number, because 122122210212011 - 2¹⁸ = 122122209949867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122122210212017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201749396 + ... + 202353806.

It is an arithmetic number, because the mean of its divisors is an integer number (7679649201408).

Almost surely, 2^{122122210212011} is an apocalyptic number.

122122210212011 is a deficient number, since it is larger than the sum of its proper divisors (752177010517).

122122210212011 is an equidigital number, since it uses as much as digits as its factorization.

122122210212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606442.

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

Adding to 122122210212011 its reverse (110212012221221), we get a palindrome (232334222433232).

The spelling of 122122210212011 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred ten million, two hundred twelve thousand, eleven".