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1201220110102 = 21931611055529
BaseRepresentation
bin10001011110101110010…
…011000100011100010110
311020211120002120010101111
4101132232103010130112
5124140044322010402
62315455523445234
7152533232316235
oct21365623043426
94224502503344
101201220110102
11423486488951
1217497a22681a
138937530074c
14421d45b0b1c
15213a6d999d7
hex117ae4c4716

1201220110102 has 8 divisors (see below), whose sum is σ = 1896663331800. Its totient is φ = 568998999504.

The previous prime is 1201220110081. The next prime is 1201220110127. The reversal of 1201220110102 is 2010110221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12012201101022 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15805527727 + ... + 15805527802.

It is an arithmetic number, because the mean of its divisors is an integer number (237082916475).

Almost surely, 21201220110102 is an apocalyptic number.

1201220110102 is a deficient number, since it is larger than the sum of its proper divisors (695443221698).

1201220110102 is a wasteful number, since it uses less digits than its factorization.

1201220110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31611055550.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201220110102 its reverse (2010110221021), we get a palindrome (3211330331123).

The spelling of 1201220110102 in words is "one trillion, two hundred one billion, two hundred twenty million, one hundred ten thousand, one hundred two".

Divisors: 1 2 19 38 31611055529 63222111058 600610055051 1201220110102