10021221000210 has 192 divisors, whose sum is σ = 28269895432320. Its totient is φ = 2266682019840.

The previous prime is 10021221000209. The next prime is 10021221000221. The reversal of 10021221000210 is 1200012212001.

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, 146088120 + ... + 146156700.

It is an arithmetic number, because the mean of its divisors is an integer number (147239038710).

Almost surely, 2^{10021221000210} is an apocalyptic number.

10021221000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021221000210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14134947716160).

10021221000210 is an abundant number, since it is smaller than the sum of its proper divisors (18248674432110).

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

10021221000210 is a wasteful number, since it uses less digits than its factorization.

10021221000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69641 (or 69634 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10021221000210 its reverse (1200012212001), we get a palindrome (11221233212211).

The spelling of 10021221000210 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, two hundred ten", and thus it is an aban number.