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10002011221111 = 7132937791002931
BaseRepresentation
bin1001000110001100011001…
…0100110110110001110111
31022102011221100200212112011
42101203012110312301313
52302333104333033421
633134505512305051
72051423106422560
oct221430624666167
938364840625464
1010002011221111
113206913645228
1211565593a2187
13577254a311a0
142681582a9167
151252967c04e1
hex918c6536c77

10002011221111 has 32 divisors (see below), whose sum is σ = 12738038745600. Its totient is φ = 7638764192640.

The previous prime is 10002011221099. The next prime is 10002011221121. The reversal of 10002011221111 is 11112211020001.

It is a happy number.

10002011221111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10002011221111 - 27 = 10002011220983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10002011221091 and 10002011221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002011221121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9471316 + ... + 10474246.

It is an arithmetic number, because the mean of its divisors is an integer number (398063710800).

Almost surely, 210002011221111 is an apocalyptic number.

10002011221111 is a deficient number, since it is larger than the sum of its proper divisors (2736027524489).

10002011221111 is a wasteful number, since it uses less digits than its factorization.

10002011221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006759.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10002011221111 its reverse (11112211020001), we get a palindrome (21114222241112).

The spelling of 10002011221111 in words is "ten trillion, two billion, eleven million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 7 13 29 91 203 377 2639 3779 26453 49127 109591 343889 767137 1002931 1424683 7020517 9972781 13038103 29084999 91266721 203594993 378104987 2646734909 3790076249 26530533743 49270991237 109912211221 344896938659 769385478547 1428858745873 10002011221111