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1220112201010 = 251496581124429
BaseRepresentation
bin10001110000010100010…
…110101011010100110010
311022122022201100210002011
4101300110112223110302
5124442242210413020
62332302314513134
7154102342406413
oct21602426532462
94278281323064
101220112201010
114304a059041a
121785711357aa
138b0962b8771
14430a769980a
1521b1071b35a
hex11c145ab532

1220112201010 has 32 divisors (see below), whose sum is σ = 2211295302000. Its totient is φ = 484691854080.

The previous prime is 1220112200971. The next prime is 1220112201019. The reversal of 1220112201010 is 101022110221.

It can be written as a sum of positive squares in 8 ways, for example, as 3408341161 + 1216703859849 = 58381^2 + 1103043^2 .

It is not an unprimeable number, because it can be changed into a prime (1220112201019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9743476 + ... + 9867904.

Almost surely, 21220112201010 is an apocalyptic number.

1220112201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220112201010 is a deficient number, since it is larger than the sum of its proper divisors (991183100990).

1220112201010 is a wasteful number, since it uses less digits than its factorization.

1220112201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131166.

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

Adding to 1220112201010 its reverse (101022110221), we get a palindrome (1321134311231).

The spelling of 1220112201010 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two hundred one thousand, ten".

Divisors: 1 2 5 10 149 298 745 1490 6581 13162 32905 65810 124429 248858 622145 980569 1244290 1961138 4902845 9805690 18539921 37079842 92699605 185399210 818867249 1637734498 4094336245 8188672490 122011220101 244022440202 610056100505 1220112201010