110002201010021 has 4 divisors (see below), whose sum is σ = 110199691497132. Its totient is φ = 109804710522912.

The previous prime is 110002201010003. The next prime is 110002201010033. The reversal of 110002201010021 is 120010102200011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39008331292225 + 70993869717796 = 6245665^2 + 8425786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110002201010021 is a prime.

It is a super-2 number, since 2×110002201010021² (a number of 29 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 = 110002201009984 and 110002201010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110002201010521) 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, 98745242720 + ... + 98745243833.

It is an arithmetic number, because the mean of its divisors is an integer number (27549922874283).

Almost surely, 2^{110002201010021} is an apocalyptic number.

It is an amenable number.

110002201010021 is a deficient number, since it is larger than the sum of its proper divisors (197490487111).

110002201010021 is an equidigital number, since it uses as much as digits as its factorization.

110002201010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197490487110.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110002201010021 its reverse (120010102200011), we get a palindrome (230012303210032).

The spelling of 110002201010021 in words is "one hundred ten trillion, two billion, two hundred one million, ten thousand, twenty-one".