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2020121022101 = 71322385278707
BaseRepresentation
bin11101011001011000100…
…110001000111010010101
321011010021201002200022212
4131121120212020322111
5231044201440201401
64144010352203205
7265643324241050
oct35313046107225
97133251080285
102020121022101
1170980171a576
1228761a539505
1311865c033200
146dabac79a97
15378346a1dbb
hex1d658988e95

2020121022101 has 48 divisors (see below), whose sum is σ = 2609263448064. Its totient is φ = 1528489714752.

The previous prime is 2020121022047. The next prime is 2020121022151. The reversal of 2020121022101 is 1012201210202.

It is not a de Polignac number, because 2020121022101 - 230 = 2019047280277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020121022151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232006790 + ... + 232015496.

It is an arithmetic number, because the mean of its divisors is an integer number (54359655168).

Almost surely, 22020121022101 is an apocalyptic number.

It is an amenable number.

2020121022101 is a deficient number, since it is larger than the sum of its proper divisors (589142425963).

2020121022101 is a wasteful number, since it uses less digits than its factorization.

2020121022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17290 (or 17277 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2020121022101 its reverse (1012201210202), we get a palindrome (3032322232303).

The spelling of 2020121022101 in words is "two trillion, twenty billion, one hundred twenty-one million, twenty-two thousand, one hundred one".

Divisors: 1 7 13 23 91 161 169 299 1183 2093 3887 8527 8707 27209 59689 60949 110851 113191 196121 200261 775957 792337 1372847 1401827 1441063 1471483 2549573 2603393 10087441 10300381 17847011 18223751 33144449 33844109 74244589 232011143 236908763 519712123 965179657 1707625547 6756257599 11953378829 12547335541 22199132111 87831348787 155393924777 288588717443 2020121022101