122021202101 has 2 divisors, whose sum is σ = 122021202102. Its totient is φ = 122021202100.

The previous prime is 122021202097. The next prime is 122021202103. The reversal of 122021202101 is 101202120221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110472475876 + 11548726225 = 332374^2 + 107465^2 .

It is an emirp because it is prime and its reverse (101202120221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122021202101 - 2² = 122021202097 is a prime.

Together with 122021202103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122021202103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010601050 + 61010601051.

It is an arithmetic number, because the mean of its divisors is an integer number (61010601051).

Almost surely, 2^122021202101 is an apocalyptic number.

It is an amenable number.

122021202101 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021202101 is an equidigital number, since it uses as much as digits as its factorization.

122021202101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122021202101 its reverse (101202120221), we get a palindrome (223223322322).

The spelling of 122021202101 in words is "one hundred twenty-two billion, twenty-one million, two hundred two thousand, one hundred one".