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2021121112300 = 225220211211123
BaseRepresentation
bin11101011010010100001…
…101001011100011101100
321011012212101221112011121
4131122110031023203230
5231103224001043200
64144253515430324
7266010156665653
oct35322415134354
97135771845147
102021121112300
1170a1751a50a4
122878594553a4
1311878b2a2464
146db73a0c19a
153789239ee1a
hex1d69434b8ec

2021121112300 has 18 divisors (see below), whose sum is σ = 4385832813908. Its totient is φ = 808448444880.

The previous prime is 2021121112291. The next prime is 2021121112357. The reversal of 2021121112300 is 32111211202.

It is a super-2 number, since 2×20211211123002 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10105605462 + ... + 10105605661.

Almost surely, 22021121112300 is an apocalyptic number.

2021121112300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021121112300 is an abundant number, since it is smaller than the sum of its proper divisors (2364711701608).

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

2021121112300 is a wasteful number, since it uses less digits than its factorization.

2021121112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211211137 (or 20211211130 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2021121112300 its reverse (32111211202), we get a palindrome (2053232323502).

The spelling of 2021121112300 in words is "two trillion, twenty-one billion, one hundred twenty-one million, one hundred twelve thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 20211211123 40422422246 80844844492 101056055615 202112111230 404224222460 505280278075 1010560556150 2021121112300