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120122221202121 = 356378177102171
BaseRepresentation
bin11011010100000000100010…
…010100110000101011001001
3120202022120110010112101221010
4123110000202110300223021
5111221040302111431441
61103251215301234133
734205354423232405
oct3324004224605311
9522276403471833
10120122221202121
113530260331a366
12115805a8a02949
13520462785a008
142193d373b2105
15dd49c4615116
hex6d4022530ac9

120122221202121 has 8 divisors (see below), whose sum is σ = 160163012562784. Its totient is φ = 80081455321440.

The previous prime is 120122221202101. The next prime is 120122221202131. The reversal of 120122221202121 is 121202122221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120122221202121 - 27 = 120122221201993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120122221202101) 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, 13362366 + ... + 20464536.

It is an arithmetic number, because the mean of its divisors is an integer number (20020376570348).

Almost surely, 2120122221202121 is an apocalyptic number.

It is an amenable number.

120122221202121 is a deficient number, since it is larger than the sum of its proper divisors (40040791360663).

120122221202121 is an equidigital number, since it uses as much as digits as its factorization.

120122221202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12739991.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120122221202121 its reverse (121202122221021), we get a palindrome (241324343423142).

The spelling of 120122221202121 in words is "one hundred twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred two thousand, one hundred twenty-one".

Divisors: 1 3 5637817 7102171 16913451 21306513 40040740400707 120122221202121