211420314330 has 32 divisors (see below), whose sum is σ = 508036017600. Its totient is φ = 56309054592.

The previous prime is 211420314277. The next prime is 211420314341. The reversal of 211420314330 is 33413024112.

It is a happy number.

It is a super-2 number, since 2×211420314330² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211420314330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4331320 + ... + 4379859.

It is an arithmetic number, because the mean of its divisors is an integer number (15876125550).

Almost surely, 2^211420314330 is an apocalyptic number.

211420314330 is an abundant number, since it is smaller than the sum of its proper divisors (296615703270).

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

211420314330 is a wasteful number, since it uses less digits than its factorization.

211420314330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8711998.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 211420314330 its reverse (33413024112), we get a palindrome (244833338442).

The spelling of 211420314330 in words is "two hundred eleven billion, four hundred twenty million, three hundred fourteen thousand, three hundred thirty".