21000001141214 has 16 divisors (see below), whose sum is σ = 31704653788416. Its totient is φ = 10431921165600.

The previous prime is 21000001141211. The next prime is 21000001141219. The reversal of 21000001141214 is 41214110000012.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21000001141192 and 21000001141201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21000001141211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34183517 + ... + 34792424.

It is an arithmetic number, because the mean of its divisors is an integer number (1981540861776).

Almost surely, 2^{21000001141214} is an apocalyptic number.

21000001141214 is a deficient number, since it is larger than the sum of its proper divisors (10704652647202).

21000001141214 is a wasteful number, since it uses less digits than its factorization.

21000001141214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68976931.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21000001141214 its reverse (41214110000012), we get a palindrome (62214111141226).

The spelling of 21000001141214 in words is "twenty-one trillion, one million, one hundred forty-one thousand, two hundred fourteen".