122100021201201 has 4 divisors (see below), whose sum is σ = 162800028268272. Its totient is φ = 81400014134132.

The previous prime is 122100021201187. The next prime is 122100021201209. The reversal of 122100021201201 is 102102120001221.

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 122100021201201 - 2²² = 122100017006897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122100021201209) 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, 20350003533531 + ... + 20350003533536.

It is an arithmetic number, because the mean of its divisors is an integer number (40700007067068).

Almost surely, 2^{122100021201201} is an apocalyptic number.

It is an amenable number.

122100021201201 is a deficient number, since it is larger than the sum of its proper divisors (40700007067071).

122100021201201 is an equidigital number, since it uses as much as digits as its factorization.

122100021201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40700007067070.

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

Adding to 122100021201201 its reverse (102102120001221), we get a palindrome (224202141202422).

The spelling of 122100021201201 in words is "one hundred twenty-two trillion, one hundred billion, twenty-one million, two hundred one thousand, two hundred one".