11002101201220 has 48 divisors (see below), whose sum is σ = 24140633586048. Its totient is φ = 4203967919360.

The previous prime is 11002101201199. The next prime is 11002101201239. The reversal of 11002101201220 is 2210210120011.

It is a self number, because there is not a number n which added to its sum of digits gives 11002101201220.

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, 15364534 + ... + 16064653.

It is an arithmetic number, because the mean of its divisors is an integer number (502929866376).

Almost surely, 2^{11002101201220} is an apocalyptic number.

11002101201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002101201220 is an abundant number, since it is smaller than the sum of its proper divisors (13138532384828).

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

11002101201220 is a wasteful number, since it uses less digits than its factorization.

11002101201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31429980 (or 31429978 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11002101201220 its reverse (2210210120011), we get a palindrome (13212311321231).

The spelling of 11002101201220 in words is "eleven trillion, two billion, one hundred one million, two hundred one thousand, two hundred twenty".