211214100004 has 6 divisors (see below), whose sum is σ = 369624675014. Its totient is φ = 105607050000.

The previous prime is 211214099989. The next prime is 211214100007. The reversal of 211214100004 is 400001412112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 149267867904 + 61946232100 = 386352^2 + 248890^2 .

It is a super-2 number, since 2×211214100004² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211214100007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26401762497 + ... + 26401762504.

Almost surely, 2^211214100004 is an apocalyptic number.

It is an amenable number.

211214100004 is a deficient number, since it is larger than the sum of its proper divisors (158410575010).

211214100004 is a wasteful number, since it uses less digits than its factorization.

211214100004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52803525005 (or 52803525003 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211214100004 its reverse (400001412112), we get a palindrome (611215512116).

The spelling of 211214100004 in words is "two hundred eleven billion, two hundred fourteen million, one hundred thousand, four".