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212020100102111 = 7131231210578083
BaseRepresentation
bin110000001101010011000110…
…110000000111011111011111
31000210200220221022121010220012
4300031103012300013133133
5210242214131111231421
62030532404522313435
762441642505353030
oct6015230660073737
91023626838533805
10212020100102111
1161613246178394
121b942aba65887b
13913c5430044c2
143a4db82d04a87
15197a1e190095b
hexc0d4c6c077df

212020100102111 has 8 divisors (see below), whose sum is σ = 244158370456704. Its totient is φ = 180344250903960.

The previous prime is 212020100102101. The next prime is 212020100102149. The reversal of 212020100102111 is 111201001020212.

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 212020100102111 - 214 = 212020100085727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020100102101) 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, 115605288125 + ... + 115605289958.

It is an arithmetic number, because the mean of its divisors is an integer number (30519796307088).

Almost surely, 2212020100102111 is an apocalyptic number.

212020100102111 is a deficient number, since it is larger than the sum of its proper divisors (32138270354593).

212020100102111 is a wasteful number, since it uses less digits than its factorization.

212020100102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231210578221.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212020100102111 its reverse (111201001020212), we get a palindrome (323221101122323).

The spelling of 212020100102111 in words is "two hundred twelve trillion, twenty billion, one hundred million, one hundred two thousand, one hundred eleven".

Divisors: 1 7 131 917 231210578083 1618474046581 30288585728873 212020100102111