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120001211010101 = 521568340529407
BaseRepresentation
bin11011010010001111110101…
…100011100000110000110101
3120201220000002201111201111102
4123102033311203200300311
5111212044440004310401
61103115443441015445
734163541606456641
oct3322176543406065
9521800081451442
10120001211010101
1135266256210003
1211561056924585
1351c60b12a76b5
14218c137c27c21
15dd1790b1856b
hex6d23f58e0c35

120001211010101 has 8 divisors (see below), whose sum is σ = 120252698947584. Its totient is φ = 119749804143840.

The previous prime is 120001211010059. The next prime is 120001211010157. The reversal of 120001211010101 is 101010112100021.

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-120001211010101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001211010001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17303861 + ... + 23225546.

It is an arithmetic number, because the mean of its divisors is an integer number (15031587368448).

Almost surely, 2120001211010101 is an apocalyptic number.

It is an amenable number.

120001211010101 is a deficient number, since it is larger than the sum of its proper divisors (251487937483).

120001211010101 is an equidigital number, since it uses as much as digits as its factorization.

120001211010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40535611.

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

Adding to 120001211010101 its reverse (101010112100021), we get a palindrome (221011323110122).

The spelling of 120001211010101 in words is "one hundred twenty trillion, one billion, two hundred eleven million, ten thousand, one hundred one".

Divisors: 1 521 5683 2960843 40529407 21115821047 230328619981 120001211010101