1220201122210 has 16 divisors (see below), whose sum is σ = 2510128022976. Its totient is φ = 418354670448.

The previous prime is 1220201122171. The next prime is 1220201122219. The reversal of 1220201122210 is 122211020221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220201122219) 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, 8715722232 + ... + 8715722371.

It is an arithmetic number, because the mean of its divisors is an integer number (156883001436).

Almost surely, 2^{1220201122210} is an apocalyptic number.

1220201122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220201122210 is an abundant number, since it is smaller than the sum of its proper divisors (1289926900766).

1220201122210 is a wasteful number, since it uses less digits than its factorization.

1220201122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17431444617.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220201122210 its reverse (122211020221), we get a palindrome (1342412142431).

The spelling of 1220201122210 in words is "one trillion, two hundred twenty billion, two hundred one million, one hundred twenty-two thousand, two hundred ten".