202111323101320 has 64 divisors (see below), whose sum is σ = 461543436895680. Its totient is φ = 79636921410816.

The previous prime is 202111323101257. The next prime is 202111323101381. The reversal of 202111323101320 is 23101323111202.

It is a junction number, because it is equal to n+sod(n) for n = 202111323101291 and 202111323101300.

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, 242893822 + ... + 243724498.

It is an arithmetic number, because the mean of its divisors is an integer number (7211616201495).

Almost surely, 2^{202111323101320} is an apocalyptic number.

202111323101320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202111323101320 is an abundant number, since it is smaller than the sum of its proper divisors (259432113794360).

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

202111323101320 is a wasteful number, since it uses less digits than its factorization.

202111323101320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921542 (or 921538 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 202111323101320 its reverse (23101323111202), we get a palindrome (225212646212522).

The spelling of 202111323101320 in words is "two hundred two trillion, one hundred eleven billion, three hundred twenty-three million, one hundred one thousand, three hundred twenty".