2201211202120 has 32 divisors (see below), whose sum is σ = 5660257377600. Its totient is φ = 754700983488.

The previous prime is 2201211202093. The next prime is 2201211202139. The reversal of 2201211202120 is 212021121022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2201211202094 and 2201211202103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3930734010 + ... + 3930734569.

It is an arithmetic number, because the mean of its divisors is an integer number (176883043050).

Almost surely, 2^{2201211202120} is an apocalyptic number.

2201211202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201211202120 is an abundant number, since it is smaller than the sum of its proper divisors (3459046175480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201211202120 is a wasteful number, since it uses less digits than its factorization.

2201211202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7861468597 (or 7861468593 counting only the distinct ones).

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

Adding to 2201211202120 its reverse (212021121022), we get a palindrome (2413232323142).

It can be divided in two parts, 220121 and 1202120, that added together give a palindrome (1422241).

The spelling of 2201211202120 in words is "two trillion, two hundred one billion, two hundred eleven million, two hundred two thousand, one hundred twenty".