21101112301030 has 32 divisors (see below), whose sum is σ = 38003630575680. Its totient is φ = 8435639998080.

The previous prime is 21101112300973. The next prime is 21101112301079. The reversal of 21101112301030 is 3010321110112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21101112300995 and 21101112301013.

It is a congruent number.

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, 125940472 + ... + 126107908.

It is an arithmetic number, because the mean of its divisors is an integer number (1187613455490).

Almost surely, 2^{21101112301030} is an apocalyptic number.

21101112301030 is a deficient number, since it is larger than the sum of its proper divisors (16902518274650).

21101112301030 is a wasteful number, since it uses less digits than its factorization.

21101112301030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174544.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 21101112301030 its reverse (3010321110112), we get a palindrome (24111433411142).

The spelling of 21101112301030 in words is "twenty-one trillion, one hundred one billion, one hundred twelve million, three hundred one thousand, thirty".