21022111133133 has 16 divisors (see below), whose sum is σ = 30631928150016. Its totient is φ = 12718043432240.

The previous prime is 21022111133081. The next prime is 21022111133237. The reversal of 21022111133133 is 33133111122012.

It is a cyclic number.

It is not a de Polignac number, because 21022111133133 - 2⁶ = 21022111133069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022111134133) 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, 565730685 + ... + 565767842.

It is an arithmetic number, because the mean of its divisors is an integer number (1914495509376).

Almost surely, 2^{21022111133133} is an apocalyptic number.

It is an amenable number.

21022111133133 is a deficient number, since it is larger than the sum of its proper divisors (9609817016883).

21022111133133 is a wasteful number, since it uses less digits than its factorization.

21022111133133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131499104.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 21022111133133 its reverse (33133111122012), we get a palindrome (54155222255145).

The spelling of 21022111133133 in words is "twenty-one trillion, twenty-two billion, one hundred eleven million, one hundred thirty-three thousand, one hundred thirty-three".