103021002212221 has 4 divisors (see below), whose sum is σ = 107500176221472. Its totient is φ = 98541828202972.

The previous prime is 103021002212201. The next prime is 103021002212251. The reversal of 103021002212221 is 122212200120301.

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 a cyclic number.

It is not a de Polignac number, because 103021002212221 - 2²¹ = 103021000115069 is a prime.

It is a super-2 number, since 2×103021002212221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021002212201) 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, 2239587004591 + ... + 2239587004636.

It is an arithmetic number, because the mean of its divisors is an integer number (26875044055368).

Almost surely, 2^{103021002212221} is an apocalyptic number.

It is an amenable number.

103021002212221 is a deficient number, since it is larger than the sum of its proper divisors (4479174009251).

103021002212221 is an equidigital number, since it uses as much as digits as its factorization.

103021002212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479174009250.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 103021002212221 its reverse (122212200120301), we get a palindrome (225233202332522).

The spelling of 103021002212221 in words is "one hundred three trillion, twenty-one billion, two million, two hundred twelve thousand, two hundred twenty-one".