21133211102333 has 16 divisors (see below), whose sum is σ = 23188427020800. Its totient is φ = 19100629222080.

The previous prime is 21133211102323. The next prime is 21133211102351. The reversal of 21133211102333 is 33320111233112.

It is a cyclic number.

It is not a de Polignac number, because 21133211102333 - 2²⁶ = 21133143993469 is a prime.

It is a super-2 number, since 2×21133211102333² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133211102323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6037766 + ... + 8872487.

It is an arithmetic number, because the mean of its divisors is an integer number (1449276688800).

Almost surely, 2^{21133211102333} is an apocalyptic number.

It is an amenable number.

21133211102333 is a deficient number, since it is larger than the sum of its proper divisors (2055215918467).

21133211102333 is a wasteful number, since it uses less digits than its factorization.

21133211102333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14911012.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 21133211102333 its reverse (33320111233112), we get a palindrome (54453322335445).

The spelling of 21133211102333 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred eleven million, one hundred two thousand, three hundred thirty-three".