122222211020011 has 4 divisors (see below), whose sum is σ = 122709152100024. Its totient is φ = 121735269940000.

The previous prime is 122222211019973. The next prime is 122222211020023. The reversal of 122222211020011 is 110020112222221.

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 122222211020011 - 2¹³ = 122222211011819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222211020071) 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, 243470539630 + ... + 243470540131.

It is an arithmetic number, because the mean of its divisors is an integer number (30677288025006).

Almost surely, 2^{122222211020011} is an apocalyptic number.

122222211020011 is a deficient number, since it is larger than the sum of its proper divisors (486941080013).

122222211020011 is an equidigital number, since it uses as much as digits as its factorization.

122222211020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486941080012.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122222211020011 its reverse (110020112222221), we get a palindrome (232242323242232).

The spelling of 122222211020011 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, twenty thousand, eleven".