10102211020221 has 8 divisors (see below), whose sum is σ = 13475619880800. Its totient is φ = 6731804753232.

The previous prime is 10102211020193. The next prime is 10102211020273. The reversal of 10102211020221 is 12202011220101.

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

It is not a de Polignac number, because 10102211020221 - 2⁶ = 10102211020157 is a prime.

It is a super-3 number, since 3×10102211020221³ (a number of 40 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10102211020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102211020721) 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, 750640546 + ... + 750654003.

It is an arithmetic number, because the mean of its divisors is an integer number (1684452485100).

Almost surely, 2^{10102211020221} is an apocalyptic number.

It is an amenable number.

10102211020221 is a deficient number, since it is larger than the sum of its proper divisors (3373408860579).

10102211020221 is a wasteful number, since it uses less digits than its factorization.

10102211020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501296795.

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

Adding to 10102211020221 its reverse (12202011220101), we get a palindrome (22304222240322).

The spelling of 10102211020221 in words is "ten trillion, one hundred two billion, two hundred eleven million, twenty thousand, two hundred twenty-one".