122110001221011 has 16 divisors (see below), whose sum is σ = 164394590290944. Its totient is φ = 80616045040704.

The previous prime is 122110001221007. The next prime is 122110001221063. The reversal of 122110001221011 is 110122100011221.

It is a happy number.

It is not a de Polignac number, because 122110001221011 - 2² = 122110001221007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122110001229011) 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, 146711350 + ... + 147541316.

It is an arithmetic number, because the mean of its divisors is an integer number (10274661893184).

Almost surely, 2^{122110001221011} is an apocalyptic number.

122110001221011 is a deficient number, since it is larger than the sum of its proper divisors (42284589069933).

122110001221011 is a wasteful number, since it uses less digits than its factorization.

122110001221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306210.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122110001221011 its reverse (110122100011221), we get a palindrome (232232101232232).

The spelling of 122110001221011 in words is "one hundred twenty-two trillion, one hundred ten billion, one million, two hundred twenty-one thousand, eleven".