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1220202200211 = 313733155716103
BaseRepresentation
bin10001110000011001101…
…101111111110010010011
311022122112222201012202220
4101300121231333302103
5124442433230401321
62332315251512123
7154104514366641
oct21603155776223
94278488635686
101220202200211
11430537371125
121785972b8643
138b0abb3a227
14430b5606191
1521b185979c6
hex11c19b7fc93

1220202200211 has 32 divisors (see below), whose sum is σ = 1646816168448. Its totient is φ = 803595429120.

The previous prime is 1220202200183. The next prime is 1220202200233. The reversal of 1220202200211 is 1120022020221.

It is a de Polignac number, because none of the positive numbers 2k-1220202200211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220202200011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75766786 + ... + 75782888.

It is an arithmetic number, because the mean of its divisors is an integer number (51463005264).

Almost surely, 21220202200211 is an apocalyptic number.

1220202200211 is a deficient number, since it is larger than the sum of its proper divisors (426613968237).

1220202200211 is a wasteful number, since it uses less digits than its factorization.

1220202200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17131.

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

Adding to 1220202200211 its reverse (1120022020221), we get a palindrome (2340224220432).

The spelling of 1220202200211 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred thousand, two hundred eleven".

Divisors: 1 3 137 331 411 557 993 1671 16103 45347 48309 76309 136041 184367 228927 553101 2206111 5330093 6618333 8969371 15990279 25258279 26908113 75774837 730222741 1228803827 2190668223 2968861801 3686411481 8906585403 406734066737 1220202200211