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201011031112211 = 238739610048357
BaseRepresentation
bin101101101101000110000111…
…000110101111101000010011
3222100201110121101001001012222
4231231012013012233220103
5202321331042431042321
61551303105355011255
760224365511056535
oct5555060706575023
9870643541031188
10201011031112211
1159059332797101
121a66534b739b2b
138821349a56348
14378cdb3119855
151838b58e8d3ab
hexb6d1871afa13

201011031112211 has 4 divisors (see below), whose sum is σ = 209750641160592. Its totient is φ = 192271421063832.

The previous prime is 201011031112169. The next prime is 201011031112277. The reversal of 201011031112211 is 112211130110102.

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

It is a cyclic number.

It is not a de Polignac number, because 201011031112211 - 246 = 130642286934547 is a prime.

It is a super-2 number, since 2×2010110311122112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201011031112211.

It is not an unprimeable number, because it can be changed into a prime (201011031111211) 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, 4369805024156 + ... + 4369805024201.

It is an arithmetic number, because the mean of its divisors is an integer number (52437660290148).

Almost surely, 2201011031112211 is an apocalyptic number.

201011031112211 is a deficient number, since it is larger than the sum of its proper divisors (8739610048381).

201011031112211 is an equidigital number, since it uses as much as digits as its factorization.

201011031112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739610048380.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 201011031112211 its reverse (112211130110102), we get a palindrome (313222161222313).

The spelling of 201011031112211 in words is "two hundred one trillion, eleven billion, thirty-one million, one hundred twelve thousand, two hundred eleven".

Divisors: 1 23 8739610048357 201011031112211