220210121210100 has 1152 divisors, whose sum is σ = 777878916562944. Its totient is φ = 47037335040000.

The previous prime is 220210121210087. The next prime is 220210121210129. The reversal of 220210121210100 is 1012121012022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220210121210100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 120795457789 + ... + 120795459611.

It is an arithmetic number, because the mean of its divisors is an integer number (675242115072).

Almost surely, 2^{220210121210100} is an apocalyptic number.

220210121210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220210121210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388939458281472).

220210121210100 is an abundant number, since it is smaller than the sum of its proper divisors (557668795352844).

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

220210121210100 is a wasteful number, since it uses less digits than its factorization.

220210121210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357 (or 2350 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220210121210100 its reverse (1012121012022), we get a palindrome (221222242222122).

The spelling of 220210121210100 in words is "two hundred twenty trillion, two hundred ten billion, one hundred twenty-one million, two hundred ten thousand, one hundred".