21261024106322 has 32 divisors (see below), whose sum is σ = 42819405197184. Its totient is φ = 7646322355200.

The previous prime is 21261024106249. The next prime is 21261024106423. The reversal of 21261024106322 is 22360142016212.

It is a super-2 number, since 2×21261024106322² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5309944079 + ... + 5309948082.

It is an arithmetic number, because the mean of its divisors is an integer number (1338106412412).

Almost surely, 2^{21261024106322} is an apocalyptic number.

21261024106322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21261024106322 is an abundant number, since it is smaller than the sum of its proper divisors (21558381090862).

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

21261024106322 is a wasteful number, since it uses less digits than its factorization.

21261024106322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10619892194.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 21261024106322 in words is "twenty-one trillion, two hundred sixty-one billion, twenty-four million, one hundred six thousand, three hundred twenty-two".