103402223232021 has 24 divisors (see below), whose sum is σ = 170749293925184. Its totient is φ = 59068444587840.

The previous prime is 103402223231977. The next prime is 103402223232089. The reversal of 103402223232021 is 120232322204301.

103402223232021 is a `hidden beast` number, since 1 + 0 + 3 + 402 + 2 + 2 + 3 + 232 + 0 + 21 = 666.

It is not a de Polignac number, because 103402223232021 - 2⁷ = 103402223231893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103402223732021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257299240 + ... + 257700801.

Almost surely, 2^{103402223232021} is an apocalyptic number.

It is an amenable number.

103402223232021 is a deficient number, since it is larger than the sum of its proper divisors (67347070693163).

103402223232021 is a wasteful number, since it uses less digits than its factorization.

103402223232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515003241 (or 515003238 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 103402223232021 its reverse (120232322204301), we get a palindrome (223634545436322).

The spelling of 103402223232021 in words is "one hundred three trillion, four hundred two billion, two hundred twenty-three million, two hundred thirty-two thousand, twenty-one".