10214421555 has 128 divisors (see below), whose sum is σ = 18947561472. Its totient is φ = 4660051968.

The previous prime is 10214421521. The next prime is 10214421583. The reversal of 10214421555 is 55512441201.

10214421555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10214421555 - 2¹² = 10214417459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23057164 + ... + 23057606.

It is an arithmetic number, because the mean of its divisors is an integer number (148027824).

Almost surely, 2^10214421555 is an apocalyptic number.

10214421555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10214421555 is a deficient number, since it is larger than the sum of its proper divisors (8733139917).

10214421555 is a wasteful number, since it uses less digits than its factorization.

10214421555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 10214421555 its reverse (55512441201), we get a palindrome (65726862756).

The spelling of 10214421555 in words is "ten billion, two hundred fourteen million, four hundred twenty-one thousand, five hundred fifty-five".