103212421011 has 36 divisors (see below), whose sum is σ = 183626433432. Its totient is φ = 55509197184.

The previous prime is 103212421009. The next prime is 103212421021. The reversal of 103212421011 is 110124212301.

103212421011 is a `hidden beast` number, since 1 + 0 + 321 + 242 + 101 + 1 = 666.

It is not a de Polignac number, because 103212421011 - 2¹ = 103212421009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103212421021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6876085 + ... + 6891078.

It is an arithmetic number, because the mean of its divisors is an integer number (5100734262).

Almost surely, 2^103212421011 is an apocalyptic number.

103212421011 is a deficient number, since it is larger than the sum of its proper divisors (80414012421).

103212421011 is a wasteful number, since it uses less digits than its factorization.

103212421011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13767200 (or 13767190 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 103212421011 its reverse (110124212301), we get a palindrome (213336633312).

The spelling of 103212421011 in words is "one hundred three billion, two hundred twelve million, four hundred twenty-one thousand, eleven".