21014114554 has 16 divisors (see below), whose sum is σ = 32377955328. Its totient is φ = 10221548112.

The previous prime is 21014114503. The next prime is 21014114557. The reversal of 21014114554 is 45541141012.

It is not an unprimeable number, because it can be changed into a prime (21014114557) 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, 594279 + ... + 628645.

It is an arithmetic number, because the mean of its divisors is an integer number (2023622208).

Almost surely, 2^21014114554 is an apocalyptic number.

21014114554 is a deficient number, since it is larger than the sum of its proper divisors (11363840774).

21014114554 is a wasteful number, since it uses less digits than its factorization.

21014114554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42669.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 21014114554 its reverse (45541141012), we get a palindrome (66555255566).

The spelling of 21014114554 in words is "twenty-one billion, fourteen million, one hundred fourteen thousand, five hundred fifty-four".