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1121123133021 = 313714918307339
BaseRepresentation
bin10000010100001000001…
…001010110011001011101
310222011210222222002211210
4100110020021112121131
5121332030010224041
62215011543335033
7143666322252513
oct20241011263135
93864728862753
101121123133021
113a2513865521
12161345a51479
138194c073058
143c3969d04b3
151e26a122016
hex1050825665d

1121123133021 has 16 divisors (see below), whose sum is σ = 1515847752000. Its totient is φ = 736980198528.

The previous prime is 1121123132999. The next prime is 1121123133061. The reversal of 1121123133021 is 1203313211211.

Adding to 1121123133021 its reverse (1203313211211), we get a palindrome (2324436344232).

It is not a de Polignac number, because 1121123133021 - 217 = 1121123001949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121123133061) 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, 9092431 + ... + 9214908.

It is an arithmetic number, because the mean of its divisors is an integer number (94740484500).

Almost surely, 21121123133021 is an apocalyptic number.

It is an amenable number.

1121123133021 is a deficient number, since it is larger than the sum of its proper divisors (394724618979).

1121123133021 is a wasteful number, since it uses less digits than its factorization.

1121123133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18307628.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 1121123133021 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, one hundred thirty-three thousand, twenty-one".

Divisors: 1 3 137 149 411 447 20413 61239 18307339 54922017 2508105443 2727793511 7524316329 8183380533 373707711007 1121123133021