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2021111201112 = 233281299690273
BaseRepresentation
bin11101011010010011100…
…111010111110101011000
321011012211201021222120120
4131122103213113311120
5231103213431413422
64144252523153240
7266010006516243
oct35322347276530
97135751258516
102021111201112
1170a16a645733
12287856075820
13118789212153
146db7258c25a
153789159345c
hex1d6939d7d58

2021111201112 has 32 divisors (see below), whose sum is σ = 5070759436080. Its totient is φ = 671306209280.

The previous prime is 2021111201069. The next prime is 2021111201303. The reversal of 2021111201112 is 2111021111202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021111201091 and 2021111201100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149838393 + ... + 149851880.

Almost surely, 22021111201112 is an apocalyptic number.

It is an amenable number.

2021111201112 is an abundant number, since it is smaller than the sum of its proper divisors (3049648234968).

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

2021111201112 is a wasteful number, since it uses less digits than its factorization.

2021111201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299690563 (or 299690559 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2021111201112 its reverse (2111021111202), we get a palindrome (4132132312314).

The spelling of 2021111201112 in words is "two trillion, twenty-one billion, one hundred eleven million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 281 562 843 1124 1686 2248 3372 6744 299690273 599380546 899070819 1198761092 1798141638 2397522184 3596283276 7192566552 84212966713 168425933426 252638900139 336851866852 505277800278 673703733704 1010555600556 2021111201112