1220201100202 has 16 divisors (see below), whose sum is σ = 2214818804160. Its totient is φ = 492181956288.

The previous prime is 1220201100199. The next prime is 1220201100211. The reversal of 1220201100202 is 2020011020221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563447452 + ... + 2563447927.

It is an arithmetic number, because the mean of its divisors is an integer number (138426175260).

Almost surely, 2^{1220201100202} is an apocalyptic number.

1220201100202 is a deficient number, since it is larger than the sum of its proper divisors (994617703958).

1220201100202 is a wasteful number, since it uses less digits than its factorization.

1220201100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126895405.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220201100202 its reverse (2020011020221), we get a palindrome (3240212120423).

The spelling of 1220201100202 in words is "one trillion, two hundred twenty billion, two hundred one million, one hundred thousand, two hundred two".