21111322103130 has 32 divisors (see below), whose sum is σ = 57905340626304. Its totient is φ = 4825445052096.

The previous prime is 21111322103129. The next prime is 21111322103167. The reversal of 21111322103130 is 3130122311112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 21111322103097 and 21111322103106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50265052417 + ... + 50265052836.

It is an arithmetic number, because the mean of its divisors is an integer number (1809541894572).

Almost surely, 2^{21111322103130} is an apocalyptic number.

21111322103130 is an abundant number, since it is smaller than the sum of its proper divisors (36794018523174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21111322103130 is a wasteful number, since it uses less digits than its factorization.

21111322103130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100530105270.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21111322103130 its reverse (3130122311112), we get a palindrome (24241444414242).

The spelling of 21111322103130 in words is "twenty-one trillion, one hundred eleven billion, three hundred twenty-two million, one hundred three thousand, one hundred thirty".