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2202011220121 = 139313130138903
BaseRepresentation
bin100000000010110010000…
…110001011100010011001
321210111202221121002210121
4200002302012023202121
5242034204333020441
64403331234313241
7315042614354416
oct40026206134231
97714687532717
102202011220121
1177995aa22479
122b6921128821
1312c85845890b
1478813b0b10d
153c42cccddd1
hex200b218b899

2202011220121 has 16 divisors (see below), whose sum is σ = 2226706231680. Its totient is φ = 2177453865600.

The previous prime is 2202011220119. The next prime is 2202011220193. The reversal of 2202011220121 is 1210221102022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2202011220121 - 21 = 2202011220119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202011220095 and 2202011220104.

It is not an unprimeable number, because it can be changed into a prime (2202011220421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56583156 + ... + 56622058.

It is an arithmetic number, because the mean of its divisors is an integer number (139169139480).

Almost surely, 22202011220121 is an apocalyptic number.

It is an amenable number.

2202011220121 is a deficient number, since it is larger than the sum of its proper divisors (24695011559).

2202011220121 is a wasteful number, since it uses less digits than its factorization.

2202011220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40656.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2202011220121 its reverse (1210221102022), we get a palindrome (3412232322143).

The spelling of 2202011220121 in words is "two trillion, two hundred two billion, eleven million, two hundred twenty thousand, one hundred twenty-one".

Divisors: 1 139 313 1301 38903 43507 180839 407213 5407517 12176639 50612803 56602607 1692552821 7035179617 15841807339 2202011220121