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2220200120121 = 31571471080017
BaseRepresentation
bin100000010011101110001…
…111010100111100111001
321212020201120012221220120
4200103232033110330321
5242333432212320441
64415540145443453
7316255425433404
oct40235617247471
97766646187816
102220200120121
117866440a6235
122ba358640589
13131496858039
147965b66ad3b
153cb44a4c966
hex204ee3d4f39

2220200120121 has 8 divisors (see below), whose sum is σ = 2962151153184. Its totient is φ = 1479191250240.

The previous prime is 2220200120113. The next prime is 2220200120183. The reversal of 2220200120121 is 1210210020222.

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

It is not a de Polignac number, because 2220200120121 - 23 = 2220200120113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220200120121.

It is not an unprimeable number, because it can be changed into a prime (2220200120101) 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, 235535296 + ... + 235544721.

It is an arithmetic number, because the mean of its divisors is an integer number (370268894148).

Almost surely, 22220200120121 is an apocalyptic number.

It is an amenable number.

2220200120121 is a deficient number, since it is larger than the sum of its proper divisors (741951033063).

2220200120121 is a wasteful number, since it uses less digits than its factorization.

2220200120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471081591.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220200120121 its reverse (1210210020222), we get a palindrome (3430410140343).

The spelling of 2220200120121 in words is "two trillion, two hundred twenty billion, two hundred million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 3 1571 4713 471080017 1413240051 740066706707 2220200120121