103021645111 has 16 divisors (see below), whose sum is σ = 128534515200. Its totient is φ = 80219141280.

The previous prime is 103021645087. The next prime is 103021645121. The reversal of 103021645111 is 111546120301.

It is a cyclic number.

It is not a de Polignac number, because 103021645111 - 2¹³ = 103021636919 is a prime.

It is a super-2 number, since 2×103021645111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021645121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370456 + ... + 585901.

It is an arithmetic number, because the mean of its divisors is an integer number (8033407200).

Almost surely, 2^103021645111 is an apocalyptic number.

103021645111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103021645111 is a deficient number, since it is larger than the sum of its proper divisors (25512870089).

103021645111 is a wasteful number, since it uses less digits than its factorization.

103021645111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957774.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 103021645111 its reverse (111546120301), we get a palindrome (214567765412).

The spelling of 103021645111 in words is "one hundred three billion, twenty-one million, six hundred forty-five thousand, one hundred eleven".