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101102102121 = 3103557587417
BaseRepresentation
bin101111000101000100…
…1111010011001101001
3100122221222102221010210
41132022021322121221
53124024114231441
6114240132531333
710206255455136
oct1361211723151
9318858387123
10101102102121
11399715567a9
1217716a80b49
1396c2c48187
144c7158958d
15296ad88616
hex178a27a669

101102102121 has 16 divisors (see below), whose sum is σ = 136356165504. Its totient is φ = 66627072384.

The previous prime is 101102102093. The next prime is 101102102173. The reversal of 101102102121 is 121201201101.

It is not a de Polignac number, because 101102102121 - 27 = 101102101993 is a prime.

It is a super-2 number, since 2×1011021021212 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101102102097 and 101102102106.

It is not an unprimeable number, because it can be changed into a prime (101102103121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121596 + ... + 465821.

It is an arithmetic number, because the mean of its divisors is an integer number (8522260344).

Almost surely, 2101102102121 is an apocalyptic number.

It is an amenable number.

101102102121 is a deficient number, since it is larger than the sum of its proper divisors (35254063383).

101102102121 is a wasteful number, since it uses less digits than its factorization.

101102102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588080.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101102102121 its reverse (121201201101), we get a palindrome (222303303222).

The spelling of 101102102121 in words is "one hundred one billion, one hundred two million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 3 103 309 557 1671 57371 172113 587417 1762251 60503951 181511853 327191269 981573807 33700700707 101102102121