214021123444 has 6 divisors (see below), whose sum is σ = 374536966034. Its totient is φ = 107010561720.

The previous prime is 214021123429. The next prime is 214021123457. The reversal of 214021123444 is 444321120412.

It can be written as a sum of positive squares in only one way, i.e., 185578300944 + 28442822500 = 430788^2 + 168650^2 .

It is a super-2 number, since 2×214021123444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26752640427 + ... + 26752640434.

Almost surely, 2^214021123444 is an apocalyptic number.

It is an amenable number.

214021123444 is a deficient number, since it is larger than the sum of its proper divisors (160515842590).

214021123444 is a wasteful number, since it uses less digits than its factorization.

214021123444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53505280865 (or 53505280863 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 214021123444 its reverse (444321120412), we get a palindrome (658342243856).

The spelling of 214021123444 in words is "two hundred fourteen billion, twenty-one million, one hundred twenty-three thousand, four hundred forty-four".