21203310120332 has 6 divisors (see below), whose sum is σ = 37105792710588. Its totient is φ = 10601655060164.

The previous prime is 21203310120277. The next prime is 21203310120337. The reversal of 21203310120332 is 23302101330212.

It is a junction number, because it is equal to n+sod(n) for n = 21203310120298 and 21203310120307.

It is not an unprimeable number, because it can be changed into a prime (21203310120337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2650413765038 + ... + 2650413765045.

It is an arithmetic number, because the mean of its divisors is an integer number (6184298785098).

Almost surely, 2^{21203310120332} is an apocalyptic number.

It is an amenable number.

21203310120332 is a deficient number, since it is larger than the sum of its proper divisors (15902482590256).

21203310120332 is a wasteful number, since it uses less digits than its factorization.

21203310120332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300827530087 (or 5300827530085 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21203310120332 its reverse (23302101330212), we get a palindrome (44505411450544).

The spelling of 21203310120332 in words is "twenty-one trillion, two hundred three billion, three hundred ten million, one hundred twenty thousand, three hundred thirty-two".