122211222020101 has 8 divisors (see below), whose sum is σ = 122631460771608. Its totient is φ = 121791557760000.

The previous prime is 122211222020093. The next prime is 122211222020137. The reversal of 122211222020101 is 101020222112221.

It can be written as a sum of positive squares in 4 ways, for example, as 48763322489476 + 73447899530625 = 6983074^2 + 8570175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122211222020101 - 2³ = 122211222020093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211222020801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143196660 + ... + 144047581.

It is an arithmetic number, because the mean of its divisors is an integer number (15328932596451).

Almost surely, 2^{122211222020101} is an apocalyptic number.

It is an amenable number.

122211222020101 is a deficient number, since it is larger than the sum of its proper divisors (420238751507).

122211222020101 is a wasteful number, since it uses less digits than its factorization.

122211222020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287245703.

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

Adding to 122211222020101 its reverse (101020222112221), we get a palindrome (223231444132322).

The spelling of 122211222020101 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred twenty-two million, twenty thousand, one hundred one".