122621101 has 4 divisors (see below), whose sum is σ = 123134400. Its totient is φ = 122107804.

The previous prime is 122621099. The next prime is 122621111. The reversal of 122621101 is 101126221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101126221 = 7 ⋅14446603.

It is a cyclic number.

It is not a de Polignac number, because 122621101 - 2¹ = 122621099 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 (122621111) 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, 256291 + ... + 256768.

It is an arithmetic number, because the mean of its divisors is an integer number (30783600).

Almost surely, 2^122621101 is an apocalyptic number.

It is an amenable number.

122621101 is a deficient number, since it is larger than the sum of its proper divisors (513299).

122621101 is an equidigital number, since it uses as much as digits as its factorization.

122621101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513298.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 122621101 is about 11073.4412447080. The cubic root of 122621101 is about 496.8077977280.

Adding to 122621101 its reverse (101126221), we get a palindrome (223747322).

The spelling of 122621101 in words is "one hundred twenty-two million, six hundred twenty-one thousand, one hundred one".