214721888106 has 64 divisors (see below), whose sum is σ = 471992242176. Its totient is φ = 64581753600.

The previous prime is 214721888081. The next prime is 214721888119. The reversal of 214721888106 is 601888127412.

It is a super-2 number, since 2×214721888106² (a number of 23 digits) contains 22 as substring.

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, 4938321 + ... + 4981611.

It is an arithmetic number, because the mean of its divisors is an integer number (7374878784).

Almost surely, 2^214721888106 is an apocalyptic number.

214721888106 is an abundant number, since it is smaller than the sum of its proper divisors (257270354070).

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

214721888106 is a wasteful number, since it uses less digits than its factorization.

214721888106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43867.

The product of its (nonzero) digits is 344064, while the sum is 48.

The spelling of 214721888106 in words is "two hundred fourteen billion, seven hundred twenty-one million, eight hundred eighty-eight thousand, one hundred six".