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212021121301 = 11414919111051
BaseRepresentation
bin1100010101110101110…
…0011001000100010101
3202021021010010220211021
43011131130121010111
511433204401340201
6241222352241141
721214036536613
oct3053534310425
9667233126737
10212021121301
1181a104395a0
12351115401b1
1316cbb96a5c2
14a39483a6b3
1557ad9b7ea1
hex315d719115

212021121301 has 32 divisors (see below), whose sum is σ = 237906450432. Its totient is φ = 187278000000.

The previous prime is 212021121281. The next prime is 212021121311. The reversal of 212021121301 is 103121120212.

Adding to 212021121301 its reverse (103121120212), we get a palindrome (315142241513).

It is a cyclic number.

It is not a de Polignac number, because 212021121301 - 25 = 212021121269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021121311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201732226 + ... + 201733276.

It is an arithmetic number, because the mean of its divisors is an integer number (7434576576).

Almost surely, 2212021121301 is an apocalyptic number.

It is an amenable number.

212021121301 is a deficient number, since it is larger than the sum of its proper divisors (25885329131).

212021121301 is a wasteful number, since it uses less digits than its factorization.

212021121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505.

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

The spelling of 212021121301 in words is "two hundred twelve billion, twenty-one million, one hundred twenty-one thousand, three hundred one".

Divisors: 1 11 41 451 491 911 1051 5401 10021 11561 20131 37351 43091 221441 410861 447301 474001 516041 957461 4920311 5676451 10532071 18339341 21157681 39255901 201732751 232734491 431814911 470113351 5171246861 19274647391 212021121301