21113161031030 has 8 divisors (see below), whose sum is σ = 38003689855872. Its totient is φ = 8445264412408.

The previous prime is 21113161030999. The next prime is 21113161031041. The reversal of 21113161031030 is 3013016131112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21113161030987 and 21113161031005.

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, 1055658051542 + ... + 1055658051561.

It is an arithmetic number, because the mean of its divisors is an integer number (4750461231984).

Almost surely, 2^{21113161031030} is an apocalyptic number.

21113161031030 is a deficient number, since it is larger than the sum of its proper divisors (16890528824842).

21113161031030 is a wasteful number, since it uses less digits than its factorization.

21113161031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111316103110.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 21113161031030 its reverse (3013016131112), we get a palindrome (24126177162142).

The spelling of 21113161031030 in words is "twenty-one trillion, one hundred thirteen billion, one hundred sixty-one million, thirty-one thousand, thirty".