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2021111020010 = 2517149225135447
BaseRepresentation
bin11101011010010011100…
…110101011100111101010
321011012211200221210011002
4131122103212223213222
5231103213410120020
64144252515235002
7266010005133245
oct35322346534752
97135750853132
102021111020010
1170a16a531665
12287855ba8a62
1311878917a8a4
146db7254225c
1537891559975
hex1d6939ab9ea

2021111020010 has 64 divisors (see below), whose sum is σ = 3879684345600. Its totient is φ = 755425152000.

The previous prime is 2021111019923. The next prime is 2021111020039. The reversal of 2021111020010 is 100201111202.

It is a junction number, because it is equal to n+sod(n) for n = 2021111019973 and 2021111020000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57000107 + ... + 57035553.

It is an arithmetic number, because the mean of its divisors is an integer number (60620067900).

Almost surely, 22021111020010 is an apocalyptic number.

2021111020010 is a deficient number, since it is larger than the sum of its proper divisors (1858573325590).

2021111020010 is a wasteful number, since it uses less digits than its factorization.

2021111020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37871.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2021111020010 its reverse (100201111202), we get a palindrome (2121312131212).

The spelling of 2021111020010 in words is "two trillion, twenty-one billion, one hundred eleven million, twenty thousand, ten".

Divisors: 1 2 5 10 17 34 85 149 170 298 745 1490 2251 2533 4502 5066 11255 12665 22510 25330 35447 38267 70894 76534 177235 191335 335399 354470 382670 602599 670798 1205198 1676995 3012995 3353990 5281603 5701783 6025990 10563206 11403566 26408015 28508915 52816030 57017830 79791197 89787251 159582394 179574502 398955985 448936255 797911970 897872510 1356450349 2712900698 6782251745 11888888353 13564503490 23777776706 59444441765 118888883530 202111102001 404222204002 1010555510005 2021111020010