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10001202211331 = 16500016061331
BaseRepresentation
bin1001000110001001011000…
…0110101110101000000011
31022102002211222101220201222
42101202112012232220003
52302324430231230311
633134253332345255
72051364054102512
oct221422606565003
938362758356658
1010001202211331
113206538a10201
12115637247522b
13577156245386
142680bca76679
1512524a768adb
hex918961aea03

10001202211331 has 4 divisors (see below), whose sum is σ = 10001209922664. Its totient is φ = 10001194500000.

The previous prime is 10001202211321. The next prime is 10001202211369. The reversal of 10001202211331 is 13311220210001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10001202211331 is a prime.

It is a super-2 number, since 2×100012022113312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001202211321) 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, 1380665 + ... + 4680666.

It is an arithmetic number, because the mean of its divisors is an integer number (2500302480666).

Almost surely, 210001202211331 is an apocalyptic number.

10001202211331 is a deficient number, since it is larger than the sum of its proper divisors (7711333).

10001202211331 is an equidigital number, since it uses as much as digits as its factorization.

10001202211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711332.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10001202211331 its reverse (13311220210001), we get a palindrome (23312422421332).

The spelling of 10001202211331 in words is "ten trillion, one billion, two hundred two million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 1650001 6061331 10001202211331