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2021202010122 = 232003168181229
BaseRepresentation
bin11101011010011001000…
…001110010000000001010
321011020002001011120010020
4131122121001302000022
5231103410203310442
64144305525401310
7266012161421451
oct35323101620012
97136061146106
102021202010122
1170a2069298a9
12287880569236
131187a1c883a9
146db80669b98
153789952e9ec
hex1d69907200a

2021202010122 has 16 divisors (see below), whose sum is σ = 4044422219040. Its totient is φ = 673397636912.

The previous prime is 2021202010067. The next prime is 2021202010129. The reversal of 2021202010122 is 2210102021202.

It is not an unprimeable number, because it can be changed into a prime (2021202010129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84078597 + ... + 84102632.

It is an arithmetic number, because the mean of its divisors is an integer number (252776388690).

Almost surely, 22021202010122 is an apocalyptic number.

2021202010122 is an abundant number, since it is smaller than the sum of its proper divisors (2023220208918).

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

2021202010122 is a wasteful number, since it uses less digits than its factorization.

2021202010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168183237.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2021202010122 its reverse (2210102021202), we get a palindrome (4231304031324).

The spelling of 2021202010122 in words is "two trillion, twenty-one billion, two hundred two million, ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 2003 4006 6009 12018 168181229 336362458 504543687 1009087374 336867001687 673734003374 1010601005061 2021202010122