21133010514101 has 2 divisors, whose sum is σ = 21133010514102. Its totient is φ = 21133010514100.

The previous prime is 21133010513941. The next prime is 21133010514113. The reversal of 21133010514101 is 10141501033112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10749316318225 + 10383694195876 = 3278615^2 + 3222374^2 .

It is a cyclic number.

It is not a de Polignac number, because 21133010514101 - 2²² = 21133006319797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21133010514131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566505257050 + 10566505257051.

It is an arithmetic number, because the mean of its divisors is an integer number (10566505257051).

Almost surely, 2^{21133010514101} is an apocalyptic number.

It is an amenable number.

21133010514101 is a deficient number, since it is larger than the sum of its proper divisors (1).

21133010514101 is an equidigital number, since it uses as much as digits as its factorization.

21133010514101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 21133010514101 its reverse (10141501033112), we get a palindrome (31274511547213).

The spelling of 21133010514101 in words is "twenty-one trillion, one hundred thirty-three billion, ten million, five hundred fourteen thousand, one hundred one".