Search a number
-
+
1112220201020 = 225139400079209
BaseRepresentation
bin10000001011110101011…
…111010111000000111100
310221022211112112022002112
4100023311133113000330
5121210311332413040
62210540310513152
7143232565502525
oct20136537270074
93838745468075
101112220201020
11399765342985
1215b6803657b8
1380b6074ab56
143bb9044584c
151dde871b365
hex102f57d703c

1112220201020 has 24 divisors (see below), whose sum is σ = 2352465754800. Its totient is φ = 441687445632.

The previous prime is 1112220201013. The next prime is 1112220201107. The reversal of 1112220201020 is 201020222111.

It is a junction number, because it is equal to n+sod(n) for n = 1112220200986 and 1112220201004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200036825 + ... + 200042384.

It is an arithmetic number, because the mean of its divisors is an integer number (98019406450).

Almost surely, 21112220201020 is an apocalyptic number.

1112220201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112220201020 is an abundant number, since it is smaller than the sum of its proper divisors (1240245553780).

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

1112220201020 is a wasteful number, since it uses less digits than its factorization.

1112220201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400079357 (or 400079355 counting only the distinct ones).

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

Adding to 1112220201020 its reverse (201020222111), we get a palindrome (1313240423131).

The spelling of 1112220201020 in words is "one trillion, one hundred twelve billion, two hundred twenty million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 400079209 800158418 1600316836 2000396045 4000792090 8001584180 55611010051 111222020102 222444040204 278055050255 556110100510 1112220201020