10021201221210 has 32 divisors (see below), whose sum is σ = 24240259971072. Its totient is φ = 2651278432320.

The previous prime is 10021201221193. The next prime is 10021201221211. The reversal of 10021201221210 is 1212210212001.

10021201221210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10021201221210.

It is not an unprimeable number, because it can be changed into a prime (10021201221211) 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, 1315114461 + ... + 1315122080.

It is an arithmetic number, because the mean of its divisors is an integer number (757508124096).

Almost surely, 2^{10021201221210} is an apocalyptic number.

10021201221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021201221210 is an abundant number, since it is smaller than the sum of its proper divisors (14219058749862).

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

10021201221210 is a wasteful number, since it uses less digits than its factorization.

10021201221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630236678.

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

Adding to 10021201221210 its reverse (1212210212001), we get a palindrome (11233411433211).

The spelling of 10021201221210 in words is "ten trillion, twenty-one billion, two hundred one million, two hundred twenty-one thousand, two hundred ten".