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202201210111 = 3149431319567
BaseRepresentation
bin1011110001010000100…
…0011001110011111111
3201022220202020202002211
42330110020121303333
511303102002210421
6232520121401251
720415506633125
oct2742410316377
9638822222084
10202201210111
1178831347a0a
1233230939227
13160b5385574
149b02595915
1553d682e9e1
hex2f14219cff

202201210111 has 8 divisors (see below), whose sum is σ = 208766214144. Its totient is φ = 195638855160.

The previous prime is 202201210097. The next prime is 202201210147. The reversal of 202201210111 is 111012102202.

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 202201210111 - 219 = 202200685823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202201210091 and 202201210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201210511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506551 + ... + 813016.

It is an arithmetic number, because the mean of its divisors is an integer number (26095776768).

Almost surely, 2202201210111 is an apocalyptic number.

202201210111 is a deficient number, since it is larger than the sum of its proper divisors (6565004033).

202201210111 is a wasteful number, since it uses less digits than its factorization.

202201210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324541.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202201210111 its reverse (111012102202), we get a palindrome (313213312313).

The spelling of 202201210111 in words is "two hundred two billion, two hundred one million, two hundred ten thousand, one hundred eleven".

Divisors: 1 31 4943 153233 1319567 40906577 6522619681 202201210111