21113113210030 has 16 divisors (see below), whose sum is σ = 38293707626064. Its totient is φ = 8380777762240.

The previous prime is 21113113209961. The next prime is 21113113210051. The reversal of 21113113210030 is 3001231131112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8058438847 + ... + 8058441466.

It is an arithmetic number, because the mean of its divisors is an integer number (2393356726629).

Almost surely, 2^{21113113210030} is an apocalyptic number.

21113113210030 is a deficient number, since it is larger than the sum of its proper divisors (17180594416034).

21113113210030 is a wasteful number, since it uses less digits than its factorization.

21113113210030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16116880451.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 21113113210030 its reverse (3001231131112), we get a palindrome (24114344341142).

The spelling of 21113113210030 in words is "twenty-one trillion, one hundred thirteen billion, one hundred thirteen million, two hundred ten thousand, thirty".