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30212121231111 = 371141840944747
BaseRepresentation
bin1101101111010010011101…
…10000001111111100000111
310221222020202200012210011010
412313221032300033330013
512424443411013343421
6144131131253213303
76235516346166351
oct667511660177407
9127866680183133
1030212121231111
119698985896626
12347b38a331233
1313b1cb5a5b311
147663bb2060d1
15375d47469076
hex1b7a4ec0ff07

30212121231111 has 8 divisors (see below), whose sum is σ = 40850192087424. Its totient is φ = 19857732264440.

The previous prime is 30212121231101. The next prime is 30212121231169. The reversal of 30212121231111 is 11113212121203.

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 30212121231111 - 217 = 30212121100039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212121231101) 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, 70920472161 + ... + 70920472586.

It is an arithmetic number, because the mean of its divisors is an integer number (5106274010928).

Almost surely, 230212121231111 is an apocalyptic number.

30212121231111 is a deficient number, since it is larger than the sum of its proper divisors (10638070856313).

30212121231111 is a wasteful number, since it uses less digits than its factorization.

30212121231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141840944821.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 30212121231111 its reverse (11113212121203), we get a palindrome (41325333352314).

The spelling of 30212121231111 in words is "thirty trillion, two hundred twelve billion, one hundred twenty-one million, two hundred thirty-one thousand, one hundred eleven".

Divisors: 1 3 71 213 141840944747 425522834241 10070707077037 30212121231111