1220222120201 has 24 divisors (see below), whose sum is σ = 1427037533856. Its totient is φ = 1040319866880.

The previous prime is 1220222120179. The next prime is 1220222120213. The reversal of 1220222120201 is 1020212220221.

It is a happy number.

It is not a de Polignac number, because 1220222120201 - 2¹⁴ = 1220222103817 is a prime.

It is a super-3 number, since 3×1220222120201³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220222120201.

It is not an unprimeable number, because it can be changed into a prime (1220222120401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8631650 + ... + 8771876.

It is an arithmetic number, because the mean of its divisors is an integer number (59459897244).

Almost surely, 2^{1220222120201} is an apocalyptic number.

It is an amenable number.

1220222120201 is a deficient number, since it is larger than the sum of its proper divisors (206815413655).

1220222120201 is a wasteful number, since it uses less digits than its factorization.

1220222120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141189 (or 141182 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1220222120201 its reverse (1020212220221), we get a palindrome (2240434340422).

The spelling of 1220222120201 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twenty thousand, two hundred one".