1220211211202 has 16 divisors (see below), whose sum is σ = 1852417395360. Its totient is φ = 602739131712.

The previous prime is 1220211211201. The next prime is 1220211211223. The reversal of 1220211211202 is 2021121120221.

It is not an unprimeable number, because it can be changed into a prime (1220211211201) 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, 8623073 + ... + 8763435.

It is an arithmetic number, because the mean of its divisors is an integer number (115776087210).

Almost surely, 2^{1220211211202} is an apocalyptic number.

1220211211202 is a deficient number, since it is larger than the sum of its proper divisors (632206184158).

1220211211202 is a wasteful number, since it uses less digits than its factorization.

1220211211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192817.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1220211211202 its reverse (2021121120221), we get a palindrome (3241332331423).

The spelling of 1220211211202 in words is "one trillion, two hundred twenty billion, two hundred eleven million, two hundred eleven thousand, two hundred two".