1220201202201 has 8 divisors (see below), whose sum is σ = 1627008050880. Its totient is φ = 813430910832.

The previous prime is 1220201202197. The next prime is 1220201202211. The reversal of 1220201202201 is 1022021020221.

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

It is not a de Polignac number, because 1220201202201 - 2² = 1220201202197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220201202211) 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, 9061350 + ... + 9195023.

It is an arithmetic number, because the mean of its divisors is an integer number (203376006360).

Almost surely, 2^{1220201202201} is an apocalyptic number.

It is an amenable number.

1220201202201 is a deficient number, since it is larger than the sum of its proper divisors (406806848679).

1220201202201 is a wasteful number, since it uses less digits than its factorization.

1220201202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18278655.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220201202201 its reverse (1022021020221), we get a palindrome (2242222222422).

The spelling of 1220201202201 in words is "one trillion, two hundred twenty billion, two hundred one million, two hundred two thousand, two hundred one".