2201012101220 has 48 divisors (see below), whose sum is σ = 4654474913088. Its totient is φ = 874260132480.

The previous prime is 2201012101213. The next prime is 2201012101237. The reversal of 2201012101220 is 221012101022.

It is a junction number, because it is equal to n+sod(n) for n = 2201012101195 and 2201012101204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1526555 + ... + 2594685.

It is an arithmetic number, because the mean of its divisors is an integer number (96968227356).

Almost surely, 2^{2201012101220} is an apocalyptic number.

2201012101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201012101220 is an abundant number, since it is smaller than the sum of its proper divisors (2453462811868).

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

2201012101220 is a wasteful number, since it uses less digits than its factorization.

2201012101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068860 (or 1068858 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201012101220 its reverse (221012101022), we get a palindrome (2422024202242).

The spelling of 2201012101220 in words is "two trillion, two hundred one billion, twelve million, one hundred one thousand, two hundred twenty".