10210002111221 has 8 divisors (see below), whose sum is σ = 11138355326304. Its totient is φ = 9281677430320.

The previous prime is 10210002111191. The next prime is 10210002111229. The reversal of 10210002111221 is 12211120001201.

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 10210002111221 - 2³⁰ = 10208928369397 is a prime.

It is a super-2 number, since 2×10210002111221² (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 = 10210002111196 and 10210002111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210002111229) 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, 6381935 + ... + 7819788.

It is an arithmetic number, because the mean of its divisors is an integer number (1392294415788).

Almost surely, 2^{10210002111221} is an apocalyptic number.

10210002111221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10210002111221 is a deficient number, since it is larger than the sum of its proper divisors (928353215083).

10210002111221 is a wasteful number, since it uses less digits than its factorization.

10210002111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14267091.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10210002111221 its reverse (12211120001201), we get a palindrome (22421122112422).

The spelling of 10210002111221 in words is "ten trillion, two hundred ten billion, two million, one hundred eleven thousand, two hundred twenty-one".