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1111020211112 = 23747422120141
BaseRepresentation
bin10000001010101101111…
…101110000101110101000
310221012201220112111101212
4100022231331300232220
5121200332133223422
62210221242532252
7143161054655630
oct20125575605650
93835656474355
101111020211112
113991a9a43789
1215b3a6507088
13809cbc5b156
143bab8d196c0
151dd781d39e2
hex102adf70ba8

1111020211112 has 32 divisors (see below), whose sum is σ = 2431412017920. Its totient is φ = 466020634560.

The previous prime is 1111020211111. The next prime is 1111020211163. The reversal of 1111020211112 is 2111120201111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1111020211111) 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, 211057439 + ... + 211062702.

It is an arithmetic number, because the mean of its divisors is an integer number (75981625560).

Almost surely, 21111020211112 is an apocalyptic number.

It is an amenable number.

1111020211112 is an abundant number, since it is smaller than the sum of its proper divisors (1320391806808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111020211112 is a wasteful number, since it uses less digits than its factorization.

1111020211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422120201 (or 422120197 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111020211112 its reverse (2111120201111), we get a palindrome (3222140412223).

The spelling of 1111020211112 in words is "one trillion, one hundred eleven billion, twenty million, two hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 47 56 94 188 329 376 658 1316 2632 422120141 844240282 1688480564 2954840987 3376961128 5909681974 11819363948 19839646627 23638727896 39679293254 79358586508 138877526389 158717173016 277755052778 555510105556 1111020211112