122221201101 has 4 divisors (see below), whose sum is σ = 162961601472. Its totient is φ = 81480800732.

The previous prime is 122221201093. The next prime is 122221201127. The reversal of 122221201101 is 101102122221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122221201101 - 2³ = 122221201093 is a prime.

It is a super-2 number, since 2×122221201101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221201301) 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, 20370200181 + ... + 20370200186.

It is an arithmetic number, because the mean of its divisors is an integer number (40740400368).

Almost surely, 2^122221201101 is an apocalyptic number.

It is an amenable number.

122221201101 is a deficient number, since it is larger than the sum of its proper divisors (40740400371).

122221201101 is an equidigital number, since it uses as much as digits as its factorization.

122221201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40740400370.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122221201101 its reverse (101102122221), we get a palindrome (223323323322).

The spelling of 122221201101 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred one thousand, one hundred one".