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10021012221112 = 2319365918017959
BaseRepresentation
bin1001000111010011001011…
…0111111010110010111000
31022110222222120102200101221
42101310302313322302320
52303141013112033422
633151331153521424
72052665011312204
oct221646267726270
938428876380357
1010021012221112
113213984173812
12115a180873274
13578c9245bb59
1426903ba23b04
15125a099a63c7
hex91d32dfacb8

10021012221112 has 32 divisors (see below), whose sum is σ = 19783720080000. Its totient is φ = 4745497706208.

The previous prime is 10021012221109. The next prime is 10021012221179. The reversal of 10021012221112 is 21112221012001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8452812 + ... + 9565147.

It is an arithmetic number, because the mean of its divisors is an integer number (618241252500).

Almost surely, 210021012221112 is an apocalyptic number.

It is an amenable number.

10021012221112 is a deficient number, since it is larger than the sum of its proper divisors (9762707858888).

10021012221112 is a wasteful number, since it uses less digits than its factorization.

10021012221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18021643 (or 18021639 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10021012221112 its reverse (21112221012001), we get a palindrome (31133233233113).

The spelling of 10021012221112 in words is "ten trillion, twenty-one billion, twelve million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 19 38 76 152 3659 7318 14636 29272 69521 139042 278084 556168 18017959 36035918 72071836 144143672 342341221 684682442 1369364884 2738729768 65927711981 131855423962 263710847924 527421695848 1252626527639 2505253055278 5010506110556 10021012221112