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2021211022112 = 25312037511111
BaseRepresentation
bin11101011010011001100…
…100001010001100100000
321011020002200010102020122
4131122121210022030200
5231103420010201422
64144310450455412
7266012331134462
oct35323144121440
97136080112218
102021211022112
1170a210a24727
12287883594568
131187a3ac2329
146db81934132
153789a20ed42
hex1d69990a320

2021211022112 has 24 divisors (see below), whose sum is σ = 4107622401792. Its totient is φ = 978005332800.

The previous prime is 2021211022111. The next prime is 2021211022123. The reversal of 2021211022112 is 2112201121202.

It is not an unprimeable number, because it can be changed into a prime (2021211022111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018754564 + ... + 1018756547.

It is an arithmetic number, because the mean of its divisors is an integer number (171150933408).

Almost surely, 22021211022112 is an apocalyptic number.

It is an amenable number.

2021211022112 is an abundant number, since it is smaller than the sum of its proper divisors (2086411379680).

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

2021211022112 is a wasteful number, since it uses less digits than its factorization.

2021211022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037511152 (or 2037511144 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2021211022112 its reverse (2112201121202), we get a palindrome (4133412143314).

The spelling of 2021211022112 in words is "two trillion, twenty-one billion, two hundred eleven million, twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 2037511111 4075022222 8150044444 16300088888 32600177776 63162844441 65200355552 126325688882 252651377764 505302755528 1010605511056 2021211022112