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210231212103011 = 1119111928373001
BaseRepresentation
bin101111110011010001000100…
…101101111101010101100011
31000120100220111122020010000102
4233303101010231331111203
5210023412010244244021
62023042515140213015
762165463263302031
oct5763210455752543
91016326448203012
10210231212103011
1160a93613574520
121b6b427369a16b
13903c944c6c978
1439cb36023d551
1519488e26ac00b
hexbf3444b7d563

210231212103011 has 4 divisors (see below), whose sum is σ = 229343140476024. Its totient is φ = 191119283730000.

The previous prime is 210231212102999. The next prime is 210231212103023. The reversal of 210231212103011 is 110301212132012.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (210231212102999) and next prime (210231212103023).

It is a cyclic number.

It is not a de Polignac number, because 210231212103011 - 214 = 210231212086627 is a prime.

It is a super-2 number, since 2×2102312121030112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210231212103811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9555964186490 + ... + 9555964186511.

It is an arithmetic number, because the mean of its divisors is an integer number (57335785119006).

Almost surely, 2210231212103011 is an apocalyptic number.

210231212103011 is a deficient number, since it is larger than the sum of its proper divisors (19111928373013).

210231212103011 is a wasteful number, since it uses less digits than its factorization.

210231212103011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19111928373012.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 210231212103011 its reverse (110301212132012), we get a palindrome (320532424235023).

The spelling of 210231212103011 in words is "two hundred ten trillion, two hundred thirty-one billion, two hundred twelve million, one hundred three thousand, eleven".

Divisors: 1 11 19111928373001 210231212103011