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210001100210111 = 761491805855293
BaseRepresentation
bin101111101111111010110000…
…111110101111111110111111
31000112112220112202002202221102
4233233322300332233332333
5210011124223123210421
62022345101255523315
762143036013421560
oct5757726076577677
91015486482082842
10210001100210111
1160a04a6a395521
121b67775368953b
13902403233c8b2
1439c0170d08167
1519429258aa60b
hexbefeb0faffbf

210001100210111 has 8 divisors (see below), whose sum is σ = 243935704225824. Its totient is φ = 177050107905120.

The previous prime is 210001100210051. The next prime is 210001100210137. The reversal of 210001100210111 is 111012001100012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-210001100210111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210001100210092 and 210001100210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001100270111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245902927220 + ... + 245902928073.

It is an arithmetic number, because the mean of its divisors is an integer number (30491963028228).

Almost surely, 2210001100210111 is an apocalyptic number.

210001100210111 is a deficient number, since it is larger than the sum of its proper divisors (33934604015713).

210001100210111 is an equidigital number, since it uses as much as digits as its factorization.

210001100210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491805855361.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 210001100210111 its reverse (111012001100012), we get a palindrome (321013101310123).

The spelling of 210001100210111 in words is "two hundred ten trillion, one billion, one hundred million, two hundred ten thousand, one hundred eleven".

Divisors: 1 7 61 427 491805855293 3442640987051 30000157172873 210001100210111