211220303001230 has 32 divisors (see below), whose sum is σ = 396271250638848. Its totient is φ = 80968885322400.

The previous prime is 211220303001209. The next prime is 211220303001247. The reversal of 211220303001230 is 32100303022112.

It is a super-2 number, since 2×211220303001230² (a number of 29 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 in 15 ways as a sum of consecutive naturals, for example, 3307520576 + ... + 3307584435.

It is an arithmetic number, because the mean of its divisors is an integer number (12383476582464).

Almost surely, 2^{211220303001230} is an apocalyptic number.

211220303001230 is a deficient number, since it is larger than the sum of its proper divisors (185050947637618).

211220303001230 is a wasteful number, since it uses less digits than its factorization.

211220303001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615105152.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211220303001230 its reverse (32100303022112), we get a palindrome (243320606023342).

The spelling of 211220303001230 in words is "two hundred eleven trillion, two hundred twenty billion, three hundred three million, one thousand, two hundred thirty".