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120021001112101 = 201159682248191
BaseRepresentation
bin11011010010100010010001…
…001000110000101000100101
3120201221220011221002001211011
4123102202101020300220211
5111212411002241041401
61103132515311342221
734165142202533215
oct3322422110605045
9521856157061734
10120021001112101
1135273691206601
1211564a5a521971
1351c7c16340a1b
14218d0942b2245
15dd204d222451
hex6d2891230a25

120021001112101 has 4 divisors (see below), whose sum is σ = 120080683362304. Its totient is φ = 119961318861900.

The previous prime is 120021001112057. The next prime is 120021001112107. The reversal of 120021001112101 is 101211100120021.

It is a happy number.

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 120021001112101 - 213 = 120021001103909 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 (120021001112107) 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, 29841122085 + ... + 29841126106.

It is an arithmetic number, because the mean of its divisors is an integer number (30020170840576).

Almost surely, 2120021001112101 is an apocalyptic number.

It is an amenable number.

120021001112101 is a deficient number, since it is larger than the sum of its proper divisors (59682250203).

120021001112101 is an equidigital number, since it uses as much as digits as its factorization.

120021001112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59682250202.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120021001112101 its reverse (101211100120021), we get a palindrome (221232101232122).

The spelling of 120021001112101 in words is "one hundred twenty trillion, twenty-one billion, one million, one hundred twelve thousand, one hundred one".

Divisors: 1 2011 59682248191 120021001112101