10010021222220 has 24 divisors (see below), whose sum is σ = 28028059422384. Its totient is φ = 2669338992576.

The previous prime is 10010021222219. The next prime is 10010021222231. The reversal of 10010021222220 is 2222212001001.

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 10010021222220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83416843459 + ... + 83416843578.

It is an arithmetic number, because the mean of its divisors is an integer number (1167835809266).

Almost surely, 2^{10010021222220} is an apocalyptic number.

10010021222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010021222220 is an abundant number, since it is smaller than the sum of its proper divisors (18018038200164).

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

10010021222220 is a wasteful number, since it uses less digits than its factorization.

10010021222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166833687049 (or 166833687047 counting only the distinct ones).

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

Adding to 10010021222220 its reverse (2222212001001), we get a palindrome (12232233223221).

It can be divided in two parts, 1001002 and 1222220, that added together give a palindrome (2223222).

The spelling of 10010021222220 in words is "ten trillion, ten billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty".