21002133310122 has 32 divisors (see below), whose sum is σ = 42493128459264. Its totient is φ = 6919701048000.

The previous prime is 21002133310097. The next prime is 21002133310159. The reversal of 21002133310122 is 22101333120012.

It is a super-2 number, since 2×21002133310122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58184629 + ... + 58544472.

It is an arithmetic number, because the mean of its divisors is an integer number (1327910264352).

Almost surely, 2^{21002133310122} is an apocalyptic number.

21002133310122 is an abundant number, since it is smaller than the sum of its proper divisors (21490995149142).

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

21002133310122 is a wasteful number, since it uses less digits than its factorization.

21002133310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116729454.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21002133310122 its reverse (22101333120012), we get a palindrome (43103466430134).

The spelling of 21002133310122 in words is "twenty-one trillion, two billion, one hundred thirty-three million, three hundred ten thousand, one hundred twenty-two".