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112122021021 = 3892831483861
BaseRepresentation
bin110100001101011111…
…1100100010010011101
3101201101222100210222020
41220122333210102131
53314111214133041
6123301432010353
711046326311443
oct1503277442235
9351358323866
10112122021021
1143606a5999a
12198915309b9
13a75b02804a
1455d8d62b93
152db355e866
hex1a1afe449d

112122021021 has 16 divisors (see below), whose sum is σ = 151710050880. Its totient is φ = 73646939520.

The previous prime is 112122021013. The next prime is 112122021047. The reversal of 112122021021 is 120120221211.

It is not a de Polignac number, because 112122021021 - 23 = 112122021013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122021061) 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, 666370 + ... + 817491.

It is an arithmetic number, because the mean of its divisors is an integer number (9481878180).

Almost surely, 2112122021021 is an apocalyptic number.

It is an amenable number.

112122021021 is a deficient number, since it is larger than the sum of its proper divisors (39588029859).

112122021021 is a wasteful number, since it uses less digits than its factorization.

112122021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484236.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112122021021 its reverse (120120221211), we get a palindrome (232242242232).

The spelling of 112122021021 in words is "one hundred twelve billion, one hundred twenty-two million, twenty-one thousand, twenty-one".

Divisors: 1 3 89 267 283 849 25187 75561 1483861 4451583 132063629 396190887 419932663 1259797989 37374007007 112122021021