1222101220201 has 4 divisors (see below), whose sum is σ = 1224936722304. Its totient is φ = 1219265718100.

The previous prime is 1222101220163. The next prime is 1222101220211. The reversal of 1222101220201 is 1020221012221.

It is a happy number.

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 1222101220201 - 2³¹ = 1219953736553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222101220211) 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, 1417750405 + ... + 1417751266.

It is an arithmetic number, because the mean of its divisors is an integer number (306234180576).

Almost surely, 2^{1222101220201} is an apocalyptic number.

It is an amenable number.

1222101220201 is a deficient number, since it is larger than the sum of its proper divisors (2835502103).

1222101220201 is an equidigital number, since it uses as much as digits as its factorization.

1222101220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835502102.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222101220201 its reverse (1020221012221), we get a palindrome (2242322232422).

The spelling of 1222101220201 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two hundred twenty thousand, two hundred one".