122021101 has 2 divisors, whose sum is σ = 122021102. Its totient is φ = 122021100.

The previous prime is 122021093. The next prime is 122021111. The reversal of 122021101 is 101120221.

It is an a-pointer prime, because the next prime (122021111) can be obtained adding 122021101 to its sum of digits (10).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69806025 + 52215076 = 8355^2 + 7226^2 .

It is an emirp because it is prime and its reverse (101120221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122021101 - 2³ = 122021093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122021111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010550 + 61010551.

It is an arithmetic number, because the mean of its divisors is an integer number (61010551).

Almost surely, 2^122021101 is an apocalyptic number.

It is an amenable number.

122021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021101 is an equidigital number, since it uses as much as digits as its factorization.

122021101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 122021101 is about 11046.3161732770. The cubic root of 122021101 is about 495.9961587567.

Adding to 122021101 its reverse (101120221), we get a palindrome (223141322).

The spelling of 122021101 in words is "one hundred twenty-two million, twenty-one thousand, one hundred one".