211421402114 has 8 divisors (see below), whose sum is σ = 341526880380. Its totient is φ = 97579108656.

The previous prime is 211421402111. The next prime is 211421402131. The reversal of 211421402114 is 411204124112.

It can be written as a sum of positive squares in 2 ways, for example, as 204454995889 + 6966406225 = 452167^2 + 83465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211421402114.

It is not an unprimeable number, because it can be changed into a prime (211421402111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4065796169 + ... + 4065796220.

Almost surely, 2^211421402114 is an apocalyptic number.

211421402114 is a deficient number, since it is larger than the sum of its proper divisors (130105478266).

211421402114 is a wasteful number, since it uses less digits than its factorization.

211421402114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8131592404.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 211421402114 its reverse (411204124112), we get a palindrome (622625526226).

The spelling of 211421402114 in words is "two hundred eleven billion, four hundred twenty-one million, four hundred two thousand, one hundred fourteen".