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122002112101 = 979901127033
BaseRepresentation
bin111000110011111100…
…1000111111001100101
3102122220112111102222111
41301213321013321211
53444330020041401
6132014052401021
711546216561632
oct1614771077145
9378815442874
10122002112101
1147817014621
121b78a316171
13b673c20b9c
145c951d1189
153290b33e51
hex1c67e47e65

122002112101 has 8 divisors (see below), whose sum is σ = 123273285464. Its totient is φ = 120731212800.

The previous prime is 122002112083. The next prime is 122002112147. The reversal of 122002112101 is 101211200221.

It can be written as a sum of positive squares in 4 ways, for example, as 66939143076 + 55062969025 = 258726^2 + 234655^2 .

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-122002112101 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 (122002112201) 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, 896881 + ... + 1023913.

It is an arithmetic number, because the mean of its divisors is an integer number (15409160683).

Almost surely, 2122002112101 is an apocalyptic number.

It is an amenable number.

122002112101 is a deficient number, since it is larger than the sum of its proper divisors (1271173363).

122002112101 is an equidigital number, since it uses as much as digits as its factorization.

122002112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137031.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122002112101 its reverse (101211200221), we get a palindrome (223213312322).

The spelling of 122002112101 in words is "one hundred twenty-two billion, two million, one hundred twelve thousand, one hundred one".

Divisors: 1 97 9901 127033 960397 12322201 1257753733 122002112101