103311440220021 has 32 divisors (see below), whose sum is σ = 151351200000000. Its totient is φ = 62163881935680.

The previous prime is 103311440220011. The next prime is 103311440220047. The reversal of 103311440220021 is 120022044113301.

It is not a de Polignac number, because 103311440220021 - 2¹⁵ = 103311440187253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103311440219973 and 103311440220000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103311440220011) 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, 6548146 + ... + 15795603.

It is an arithmetic number, because the mean of its divisors is an integer number (4729725000000).

Almost surely, 2^{103311440220021} is an apocalyptic number.

103311440220021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103311440220021 is a deficient number, since it is larger than the sum of its proper divisors (48039759779979).

103311440220021 is a wasteful number, since it uses less digits than its factorization.

103311440220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22344769.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 103311440220021 its reverse (120022044113301), we get a palindrome (223333484333322).

The spelling of 103311440220021 in words is "one hundred three trillion, three hundred eleven billion, four hundred forty million, two hundred twenty thousand, twenty-one".