10210202111221 has 8 divisors (see below), whose sum is σ = 11816508773120. Its totient is φ = 8640822039408.

The previous prime is 10210202111191. The next prime is 10210202111227. The reversal of 10210202111221 is 12211120201201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10210202111221 - 2¹³ = 10210202103029 is a prime.

It is a super-2 number, since 2×10210202111221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210202111195 and 10210202111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210202111227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9231646926 + ... + 9231648031.

It is an arithmetic number, because the mean of its divisors is an integer number (1477063596640).

Almost surely, 2^{10210202111221} is an apocalyptic number.

It is an amenable number.

10210202111221 is a deficient number, since it is larger than the sum of its proper divisors (1606306661899).

10210202111221 is an equidigital number, since it uses as much as digits as its factorization.

10210202111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18463295043.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10210202111221 its reverse (12211120201201), we get a palindrome (22421322312422).

The spelling of 10210202111221 in words is "ten trillion, two hundred ten billion, two hundred two million, one hundred eleven thousand, two hundred twenty-one".