103434220021 has 16 divisors (see below), whose sum is σ = 115671758400. Its totient is φ = 91690859520.

The previous prime is 103434219997. The next prime is 103434220063. The reversal of 103434220021 is 120022434301.

It is a cyclic number.

It is not a de Polignac number, because 103434220021 - 2¹⁵ = 103434187253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103434219974 and 103434220001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103434220321) 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, 449196 + ... + 639253.

It is an arithmetic number, because the mean of its divisors is an integer number (7229484900).

Almost surely, 2^103434220021 is an apocalyptic number.

103434220021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103434220021 is a deficient number, since it is larger than the sum of its proper divisors (12237538379).

103434220021 is a wasteful number, since it uses less digits than its factorization.

103434220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088676.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 103434220021 its reverse (120022434301), we get a palindrome (223456654322).

The spelling of 103434220021 in words is "one hundred three billion, four hundred thirty-four million, two hundred twenty thousand, twenty-one".