21214050156530 has 64 divisors (see below), whose sum is σ = 47686066716672. Its totient is φ = 6601278133440.

The previous prime is 21214050156527. The next prime is 21214050156547. The reversal of 21214050156530 is 3565105041212.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22226774 + ... + 23161553.

It is an arithmetic number, because the mean of its divisors is an integer number (745094792448).

Almost surely, 2^{21214050156530} is an apocalyptic number.

21214050156530 is an abundant number, since it is smaller than the sum of its proper divisors (26472016560142).

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

21214050156530 is a wasteful number, since it uses less digits than its factorization.

21214050156530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45388959.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 21214050156530 its reverse (3565105041212), we get a palindrome (24779155197742).

The spelling of 21214050156530 in words is "twenty-one trillion, two hundred fourteen billion, fifty million, one hundred fifty-six thousand, five hundred thirty".