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202020200122111 = 7205768914025457
BaseRepresentation
bin101101111011110001111110…
…010001000000011011111111
3222111021221110002120102201021
4231323301332101000123333
5202434344332212401421
61553354444305125011
760360322613113060
oct5573617621003377
9874257402512637
10202020200122111
1159408316349928
121a7a8a50329767
1388955667c8917
1437c5b891b0567
151855020668341
hexb7bc7e4406ff

202020200122111 has 8 divisors (see below), whose sum is σ = 230880357376160. Its totient is φ = 173160075034368.

The previous prime is 202020200122057. The next prime is 202020200122133. The reversal of 202020200122111 is 111221002020202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 202020200122111 - 215 = 202020200089343 is a prime.

It is a super-2 number, since 2×2020202001221112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020200122511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7391095 + ... + 21416551.

It is an arithmetic number, because the mean of its divisors is an integer number (28860044672020).

Almost surely, 2202020200122111 is an apocalyptic number.

202020200122111 is a deficient number, since it is larger than the sum of its proper divisors (28860157254049).

202020200122111 is a wasteful number, since it uses less digits than its factorization.

202020200122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16083153.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202020200122111 its reverse (111221002020202), we get a palindrome (313241202142313).

The spelling of 202020200122111 in words is "two hundred two trillion, twenty billion, two hundred million, one hundred twenty-two thousand, one hundred eleven".

Divisors: 1 7 2057689 14025457 14403823 98178199 28860028588873 202020200122111