10221210110002 has 8 divisors (see below), whose sum is σ = 15332290504812. Its totient is φ = 5110446608400.

The previous prime is 10221210109927. The next prime is 10221210110003. The reversal of 10221210110002 is 20001101212201.

It can be written as a sum of positive squares in 2 ways, for example, as 10187261679001 + 33948431001 = 3191749^2 + 184251^2 .

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

It is a super-2 number, since 2×10221210110002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10221210110003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79142649 + ... + 79271692.

Almost surely, 2^{10221210110002} is an apocalyptic number.

10221210110002 is a deficient number, since it is larger than the sum of its proper divisors (5111080394810).

10221210110002 is a wasteful number, since it uses less digits than its factorization.

10221210110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158446604.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10221210110002 its reverse (20001101212201), we get a palindrome (30222311322203).

The spelling of 10221210110002 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, one hundred ten thousand, two".