21041123314140 has 72 divisors (see below), whose sum is σ = 64311952552848. Its totient is φ = 5568134407680.

The previous prime is 21041123314117. The next prime is 21041123314157. The reversal of 21041123314140 is 4141332114012.

It is a happy number.

21041123314140 is a `hidden beast` number, since 2 + 1 + 0 + 4 + 11 + 233 + 1 + 414 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446141037 + ... + 446188196.

It is an arithmetic number, because the mean of its divisors is an integer number (893221563234).

Almost surely, 2^{21041123314140} is an apocalyptic number.

21041123314140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21041123314140 is an abundant number, since it is smaller than the sum of its proper divisors (43270829238708).

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

21041123314140 is a wasteful number, since it uses less digits than its factorization.

21041123314140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892329379 (or 892329374 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 21041123314140 its reverse (4141332114012), we get a palindrome (25182455428152).

The spelling of 21041123314140 in words is "twenty-one trillion, forty-one billion, one hundred twenty-three million, three hundred fourteen thousand, one hundred forty".