103021210111 has 4 divisors (see below), whose sum is σ = 109081281312. Its totient is φ = 96961138912.

The previous prime is 103021210093. The next prime is 103021210151. The reversal of 103021210111 is 111012120301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111012120301 = 239 ⋅464485859.

It is a cyclic number.

It is not a de Polignac number, because 103021210111 - 2¹³ = 103021201919 is a prime.

It is a super-2 number, since 2×103021210111² (a number of 23 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 = 103021210091 and 103021210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021210151) 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, 3030035575 + ... + 3030035608.

It is an arithmetic number, because the mean of its divisors is an integer number (27270320328).

Almost surely, 2^103021210111 is an apocalyptic number.

103021210111 is a deficient number, since it is larger than the sum of its proper divisors (6060071201).

103021210111 is an equidigital number, since it uses as much as digits as its factorization.

103021210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060071200.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 103021210111 its reverse (111012120301), we get a palindrome (214033330412).

The spelling of 103021210111 in words is "one hundred three billion, twenty-one million, two hundred ten thousand, one hundred eleven".