211220314234 has 32 divisors (see below), whose sum is σ = 324700488000. Its totient is φ = 103015449984.

The previous prime is 211220314187. The next prime is 211220314259. The reversal of 211220314234 is 432413022112.

It is a super-2 number, since 2×211220314234² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211220314199 and 211220314208.

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, 52632012 + ... + 52636024.

It is an arithmetic number, because the mean of its divisors is an integer number (10146890250).

Almost surely, 2^211220314234 is an apocalyptic number.

211220314234 is a deficient number, since it is larger than the sum of its proper divisors (113480173766).

211220314234 is a wasteful number, since it uses less digits than its factorization.

211220314234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 211220314234 its reverse (432413022112), we get a palindrome (643633336346).

The spelling of 211220314234 in words is "two hundred eleven billion, two hundred twenty million, three hundred fourteen thousand, two hundred thirty-four".