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BaseRepresentation
bin101111110000000011000100…
…001010111101000010101101
31000112120202112211102020201111
4233300003010022331002231
5210011301001100023041
62022353133452512021
762143502606345143
oct5760030412750255
91015522484366644
10210010012111021
1160a08822983591
121b67942017b611
139024b22785245
1439c0778749593
151942c97e83981
hexbf00c42bd0ad

210010012111021 has 8 divisors (see below), whose sum is σ = 221485853580320. Its totient is φ = 198576438935472.

The previous prime is 210010012111019. The next prime is 210010012111051. The reversal of 210010012111021 is 120111210010012.

It is a happy number.

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 210010012111021 - 21 = 210010012111019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210010012110992 and 210010012111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010012111051) 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, 10567063230 + ... + 10567083103.

It is an arithmetic number, because the mean of its divisors is an integer number (27685731697540).

Almost surely, 2210010012111021 is an apocalyptic number.

It is an amenable number.

210010012111021 is a deficient number, since it is larger than the sum of its proper divisors (11475841469299).

210010012111021 is a wasteful number, since it uses less digits than its factorization.

210010012111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21134146875.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210010012111021 its reverse (120111210010012), we get a palindrome (330121222121033).

The spelling of 210010012111021 in words is "two hundred ten trillion, ten billion, twelve million, one hundred eleven thousand, twenty-one".