1010201121220 has 24 divisors (see below), whose sum is σ = 2122586129664. Its totient is φ = 403858777056.

The previous prime is 1010201121173. The next prime is 1010201121227. The reversal of 1010201121220 is 221211020101.

It is a self number, because there is not a number n which added to its sum of digits gives 1010201121220.

It is not an unprimeable number, because it can be changed into a prime (1010201121227) 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, 13817094 + ... + 13890013.

It is an arithmetic number, because the mean of its divisors is an integer number (88441088736).

Almost surely, 2^{1010201121220} is an apocalyptic number.

1010201121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010201121220 is an abundant number, since it is smaller than the sum of its proper divisors (1112385008444).

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

1010201121220 is a wasteful number, since it uses less digits than its factorization.

1010201121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27708939 (or 27708937 counting only the distinct ones).

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

Adding to 1010201121220 its reverse (221211020101), we get a palindrome (1231412141321).

The spelling of 1010201121220 in words is "one trillion, ten billion, two hundred one million, one hundred twenty-one thousand, two hundred twenty".