10211012022221 has 8 divisors (see below), whose sum is σ = 10812883124160. Its totient is φ = 9609276846528.

The previous prime is 10211012022191. The next prime is 10211012022271. The reversal of 10211012022221 is 12222021011201.

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 10211012022221 - 2²⁶ = 10210944913357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 10211012022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211012022271) 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, 33826871 + ... + 34127396.

It is an arithmetic number, because the mean of its divisors is an integer number (1351610390520).

Almost surely, 2^{10211012022221} is an apocalyptic number.

It is an amenable number.

10211012022221 is a deficient number, since it is larger than the sum of its proper divisors (601871101939).

10211012022221 is an equidigital number, since it uses as much as digits as its factorization.

10211012022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67963123.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10211012022221 its reverse (12222021011201), we get a palindrome (22433033033422).

The spelling of 10211012022221 in words is "ten trillion, two hundred eleven billion, twelve million, twenty-two thousand, two hundred twenty-one".