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2221020021010 = 257172381147973
BaseRepresentation
bin100000010100011111000…
…111000000000100010010
321212022211201000020111011
4200110133013000010102
5242342122111133020
64420153355041134
7316314642454120
oct40243707000422
97768751006434
102221020021010
11786a2499997a
122ba5471401aa
131315976881ab
14796d84d6910
153cb91a0635a
hex2051f1c0112

2221020021010 has 64 divisors (see below), whose sum is σ = 5048053166592. Its totient is φ = 685538067456.

The previous prime is 2221020020981. The next prime is 2221020021013. The reversal of 2221020021010 is 101200201222.

It is a happy number.

It is a super-3 number, since 3×22210200210103 (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221020021013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40546617 + ... + 40601356.

It is an arithmetic number, because the mean of its divisors is an integer number (78875830728).

Almost surely, 22221020021010 is an apocalyptic number.

2221020021010 is an abundant number, since it is smaller than the sum of its proper divisors (2827033145582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221020021010 is a wasteful number, since it uses less digits than its factorization.

2221020021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81148027.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2221020021010 its reverse (101200201222), we get a palindrome (2322220222232).

The spelling of 2221020021010 in words is "two trillion, two hundred twenty-one billion, twenty million, twenty-one thousand, ten".

Divisors: 1 2 5 7 10 14 17 23 34 35 46 70 85 115 119 161 170 230 238 322 391 595 782 805 1190 1610 1955 2737 3910 5474 13685 27370 81147973 162295946 405739865 568035811 811479730 1136071622 1379515541 1866403379 2759031082 2840179055 3732806758 5680358110 6897577705 9332016895 9656608787 13064823653 13795155410 18664033790 19313217574 26129647306 31728857443 48283043935 63457714886 65324118265 96566087870 130648236530 158644287215 222102002101 317288574430 444204004202 1110510010505 2221020021010