10010022221220 has 288 divisors, whose sum is σ = 34226272604160. Its totient is φ = 2176668506880.

The previous prime is 10010022221209. The next prime is 10010022221233. The reversal of 10010022221220 is 2212222001001.

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 10010022221220.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4446487 + ... + 6308033.

It is an arithmetic number, because the mean of its divisors is an integer number (118841224320).

Almost surely, 2^{10010022221220} is an apocalyptic number.

10010022221220 is a gapful number since it is divisible by the number (10) 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 10010022221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17113136302080).

10010022221220 is an abundant number, since it is smaller than the sum of its proper divisors (24216250382940).

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

10010022221220 is a wasteful number, since it uses less digits than its factorization.

10010022221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861663 (or 1861654 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10010022221220 its reverse (2212222001001), we get a palindrome (12222244222221).

The spelling of 10010022221220 in words is "ten trillion, ten billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty".