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2021112200101 = 2938578049001
BaseRepresentation
bin11101011010010011101…
…011001011101110100101
321011012211210011201221011
4131122103223023232211
5231103214210400401
64144253000422221
7266010021146611
oct35322353135645
97135753151834
102021112200101
1170a170168245
12287856477971
131187894a1a77
146db7276c341
15378916de451
hex1d693acbba5

2021112200101 has 8 divisors (see below), whose sum is σ = 2030376852504. Its totient is φ = 2011863648000.

The previous prime is 2021112200087. The next prime is 2021112200119. The reversal of 2021112200101 is 1010022111202.

It can be written as a sum of positive squares in 4 ways, for example, as 591054977601 + 1430057222500 = 768801^2 + 1195850^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021112200101 - 25 = 2021112200069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021112200131) 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, 3773400 + ... + 4275601.

It is an arithmetic number, because the mean of its divisors is an integer number (253797106563).

Almost surely, 22021112200101 is an apocalyptic number.

It is an amenable number.

2021112200101 is a deficient number, since it is larger than the sum of its proper divisors (9264652403).

2021112200101 is an equidigital number, since it uses as much as digits as its factorization.

2021112200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050151.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2021112200101 its reverse (1010022111202), we get a palindrome (3031134311303).

The spelling of 2021112200101 in words is "two trillion, twenty-one billion, one hundred twelve million, two hundred thousand, one hundred one".

Divisors: 1 293 857 251101 8049001 2358357293 6897993857 2021112200101