10210200221221 has 64 divisors (see below), whose sum is σ = 14528386768896. Its totient is φ = 6905720908800.

The previous prime is 10210200221219. The next prime is 10210200221237. The reversal of 10210200221221 is 12212200201201.

It is a happy number.

It is not a de Polignac number, because 10210200221221 - 2¹ = 10210200221219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10210200221195 and 10210200221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210200221261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18497766 + ... + 19041736.

It is an arithmetic number, because the mean of its divisors is an integer number (227006043264).

Almost surely, 2^{10210200221221} is an apocalyptic number.

10210200221221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10210200221221 is a deficient number, since it is larger than the sum of its proper divisors (4318186547675).

10210200221221 is a wasteful number, since it uses less digits than its factorization.

10210200221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545122.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10210200221221 its reverse (12212200201201), we get a palindrome (22422400422422).

The spelling of 10210200221221 in words is "ten trillion, two hundred ten billion, two hundred million, two hundred twenty-one thousand, two hundred twenty-one".