21333031401102 has 64 divisors (see below), whose sum is σ = 43871490704640. Its totient is φ = 6910568400384.

The previous prime is 21333031401083. The next prime is 21333031401109. The reversal of 21333031401102 is 20110413033312.

It is a super-2 number, since 2×21333031401102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333031401109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 969540033 + ... + 969562035.

It is an arithmetic number, because the mean of its divisors is an integer number (685492042260).

Almost surely, 2^{21333031401102} is an apocalyptic number.

21333031401102 is an abundant number, since it is smaller than the sum of its proper divisors (22538459303538).

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

21333031401102 is a wasteful number, since it uses less digits than its factorization.

21333031401102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27057.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21333031401102 its reverse (20110413033312), we get a palindrome (41443444434414).

The spelling of 21333031401102 in words is "twenty-one trillion, three hundred thirty-three billion, thirty-one million, four hundred one thousand, one hundred two".