20210223021103 has 32 divisors (see below), whose sum is σ = 21037792780800. Its totient is φ = 19391813460096.

The previous prime is 20210223021097. The next prime is 20210223021113. The reversal of 20210223021103 is 30112032201202.

It is a cyclic number.

It is not a de Polignac number, because 20210223021103 - 2⁵ = 20210223021071 is a prime.

It is a super-2 number, since 2×20210223021103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210223021113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6081919200 + ... + 6081922522.

It is an arithmetic number, because the mean of its divisors is an integer number (657431024400).

Almost surely, 2^{20210223021103} is an apocalyptic number.

20210223021103 is a deficient number, since it is larger than the sum of its proper divisors (827569759697).

20210223021103 is a wasteful number, since it uses less digits than its factorization.

20210223021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20210223021103 its reverse (30112032201202), we get a palindrome (50322255222305).

The spelling of 20210223021103 in words is "twenty trillion, two hundred ten billion, two hundred twenty-three million, twenty-one thousand, one hundred three".