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101021012201 = 195316895379
BaseRepresentation
bin101111000010101010…
…0100101000011101001
3100122202022212010200102
41132011110211003221
53123342334342301
6114224114515145
710204252302314
oct1360524450351
9318668763612
10101021012201
113992a80073a
12176b3895ab5
1396ac1c5985
144c648bb97b
152963bbbb6b
hex17855250e9

101021012201 has 4 divisors (see below), whose sum is σ = 106337907600. Its totient is φ = 95704116804.

The previous prime is 101021012161. The next prime is 101021012221. The reversal of 101021012201 is 102210120101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101021012201 - 210 = 101021011177 is a prime.

It is a super-2 number, since 2×1010210122012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101021012221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658447671 + ... + 2658447708.

It is an arithmetic number, because the mean of its divisors is an integer number (26584476900).

Almost surely, 2101021012201 is an apocalyptic number.

It is an amenable number.

101021012201 is a deficient number, since it is larger than the sum of its proper divisors (5316895399).

101021012201 is an equidigital number, since it uses as much as digits as its factorization.

101021012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316895398.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101021012201 its reverse (102210120101), we get a palindrome (203231132302).

The spelling of 101021012201 in words is "one hundred one billion, twenty-one million, twelve thousand, two hundred one".

Divisors: 1 19 5316895379 101021012201