21145012001414 has 16 divisors (see below), whose sum is σ = 36272084322048. Its totient is φ = 9056274920712.

The previous prime is 21145012001389. The next prime is 21145012001489. The reversal of 21145012001414 is 41410021054112.

It is a happy number.

It is a super-2 number, since 2×21145012001414² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489400952 + ... + 489444155.

It is an arithmetic number, because the mean of its divisors is an integer number (2267005270128).

Almost surely, 2^{21145012001414} is an apocalyptic number.

21145012001414 is a deficient number, since it is larger than the sum of its proper divisors (15127072320634).

21145012001414 is a wasteful number, since it uses less digits than its factorization.

21145012001414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978846659.

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 21145012001414 its reverse (41410021054112), we get a palindrome (62555033055526).

The spelling of 21145012001414 in words is "twenty-one trillion, one hundred forty-five billion, twelve million, one thousand, four hundred fourteen".