10100121003220 has 48 divisors (see below), whose sum is σ = 21767637830400. Its totient is φ = 3935136504960.

The previous prime is 10100121003209. The next prime is 10100121003227. The reversal of 10100121003220 is 2230012100101.

It is a self number, because there is not a number n which added to its sum of digits gives 10100121003220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100121003227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39134796 + ... + 39392035.

It is an arithmetic number, because the mean of its divisors is an integer number (453492454800).

Almost surely, 2^{10100121003220} is an apocalyptic number.

10100121003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100121003220 is an abundant number, since it is smaller than the sum of its proper divisors (11667516827180).

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

10100121003220 is a wasteful number, since it uses less digits than its factorization.

10100121003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78527008 (or 78527006 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10100121003220 its reverse (2230012100101), we get a palindrome (12330133103321).

The spelling of 10100121003220 in words is "ten trillion, one hundred billion, one hundred twenty-one million, three thousand, two hundred twenty".