21133011101230 has 64 divisors (see below), whose sum is σ = 46068834240000. Its totient is φ = 6818187339648.

The previous prime is 21133011101227. The next prime is 21133011101239. The reversal of 21133011101230 is 3210111033112.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 21133011101198 and 21133011101207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133011101239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53122240 + ... + 53518579.

It is an arithmetic number, because the mean of its divisors is an integer number (719825535000).

Almost surely, 2^{21133011101230} is an apocalyptic number.

21133011101230 is an abundant number, since it is smaller than the sum of its proper divisors (24935823138770).

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

21133011101230 is a wasteful number, since it uses less digits than its factorization.

21133011101230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106641001.

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

Adding to 21133011101230 its reverse (3210111033112), we get a palindrome (24343122134342).

The spelling of 21133011101230 in words is "twenty-one trillion, one hundred thirty-three billion, eleven million, one hundred one thousand, two hundred thirty".