21101301032312 has 16 divisors (see below), whose sum is σ = 40485054306840. Its totient is φ = 10305286550496.

The previous prime is 21101301032303. The next prime is 21101301032321. The reversal of 21101301032312 is 21323010310112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21101301032303) and next prime (21101301032321).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30670495343 + ... + 30670496030.

Almost surely, 2^{21101301032312} is an apocalyptic number.

It is an amenable number.

21101301032312 is a deficient number, since it is larger than the sum of its proper divisors (19383753274528).

21101301032312 is a wasteful number, since it uses less digits than its factorization.

21101301032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61340991422 (or 61340991418 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21101301032312 its reverse (21323010310112), we get a palindrome (42424311342424).

The spelling of 21101301032312 in words is "twenty-one trillion, one hundred one billion, three hundred one million, thirty-two thousand, three hundred twelve".