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11222102001 = 311897137907
BaseRepresentation
bin10100111001110001…
…11010111111110001
31001222002100211220110
422130320322333301
5140440324231001
65053320331533
7545044202355
oct123470727761
931862324813
1011222102001
114839647370
122212313ba9
13109ac4ca56
147865a7465
1545a3123d6
hex29ce3aff1

11222102001 has 16 divisors (see below), whose sum is σ = 16325307648. Its totient is φ = 6800336400.

The previous prime is 11222101997. The next prime is 11222102011. The reversal of 11222102001 is 10020122211.

It is not a de Polignac number, because 11222102001 - 22 = 11222101997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11222102011) 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, 277090 + ... + 314996.

It is an arithmetic number, because the mean of its divisors is an integer number (1020331728).

Almost surely, 211222102001 is an apocalyptic number.

11222102001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222102001 is a deficient number, since it is larger than the sum of its proper divisors (5103205647).

11222102001 is a wasteful number, since it uses less digits than its factorization.

11222102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46892.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11222102001 its reverse (10020122211), we get a palindrome (21242224212).

It can be divided in two parts, 1122210 and 2001, that added together give a palindrome (1124211).

The spelling of 11222102001 in words is "eleven billion, two hundred twenty-two million, one hundred two thousand, one".

Divisors: 1 3 11 33 8971 26913 37907 98681 113721 296043 416977 1250931 340063697 1020191091 3740700667 11222102001