110202000102021 has 4 divisors (see below), whose sum is σ = 146936000136032. Its totient is φ = 73468000068012.

The previous prime is 110202000102017. The next prime is 110202000102037. The reversal of 110202000102021 is 120201000202011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 110202000102021 - 2² = 110202000102017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110202000101988 and 110202000102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110202000102011) 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, 18367000017001 + ... + 18367000017006.

It is an arithmetic number, because the mean of its divisors is an integer number (36734000034008).

Almost surely, 2^{110202000102021} is an apocalyptic number.

It is an amenable number.

110202000102021 is a deficient number, since it is larger than the sum of its proper divisors (36734000034011).

110202000102021 is an equidigital number, since it uses as much as digits as its factorization.

110202000102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36734000034010.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 110202000102021 its reverse (120201000202011), we get a palindrome (230403000304032).

The spelling of 110202000102021 in words is "one hundred ten trillion, two hundred two billion, one hundred two thousand, twenty-one".