1201221111202 has 16 divisors (see below), whose sum is σ = 2082373678080. Its totient is φ = 509024675808.

The previous prime is 1201221111199. The next prime is 1201221111217. The reversal of 1201221111202 is 2021111221021.

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, 482029698 + ... + 482032189.

It is an arithmetic number, because the mean of its divisors is an integer number (130148354880).

Almost surely, 2^{1201221111202} is an apocalyptic number.

1201221111202 is a deficient number, since it is larger than the sum of its proper divisors (881152566878).

1201221111202 is an equidigital number, since it uses as much as digits as its factorization.

1201221111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964061985.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201221111202 its reverse (2021111221021), we get a palindrome (3222332332223).

The spelling of 1201221111202 in words is "one trillion, two hundred one billion, two hundred twenty-one million, one hundred eleven thousand, two hundred two".