1222121002201 has 8 divisors (see below), whose sum is σ = 1335938239008. Its totient is φ = 1108756320000.

The previous prime is 1222121002187. The next prime is 1222121002229. The reversal of 1222121002201 is 1022001212221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222121002201 - 2¹⁷ = 1222120871129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222121002901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113133000 + ... + 113143801.

It is an arithmetic number, because the mean of its divisors is an integer number (166992279876).

Almost surely, 2^{1222121002201} is an apocalyptic number.

1222121002201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222121002201 is a deficient number, since it is larger than the sum of its proper divisors (113817236807).

1222121002201 is a wasteful number, since it uses less digits than its factorization.

1222121002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226277303.

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

Adding to 1222121002201 its reverse (1022001212221), we get a palindrome (2244122214422).

The spelling of 1222121002201 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-one million, two thousand, two hundred one".