122211101 has 4 divisors (see below), whose sum is σ = 122943072. Its totient is φ = 121479132.

The previous prime is 122211091. The next prime is 122211157. The reversal of 122211101 is 101112221.

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 122211101 - 2¹⁴ = 122194717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211161) 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, 365735 + ... + 366068.

It is an arithmetic number, because the mean of its divisors is an integer number (30735768).

Almost surely, 2^122211101 is an apocalyptic number.

It is an amenable number.

122211101 is a deficient number, since it is larger than the sum of its proper divisors (731971).

122211101 is an equidigital number, since it uses as much as digits as its factorization.

122211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731970.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 122211101 is about 11054.9129802093. The cubic root of 122211101 is about 496.2534650698.

Adding to 122211101 its reverse (101112221), we get a palindrome (223323322).

The spelling of 122211101 in words is "one hundred twenty-two million, two hundred eleven thousand, one hundred one".