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102121201101101 = 71323101483086957
BaseRepresentation
bin10111001110000011110001…
…111010100110100100101101
3111101120200200002102020201012
4113032003301322212210231
5101341123204440213401
61001105455423555005
730340004364045230
oct2716036172464455
9441520602366635
10102121201101101
112a5a23a3800116
12b55393375ba65
1344c9cac683090
141b3099a343417
15bc1617e098bb
hex5ce0f1ea692d

102121201101101 has 32 divisors (see below), whose sum is σ = 132450849796608. Its totient is φ = 76520973830400.

The previous prime is 102121201101047. The next prime is 102121201101103. The reversal of 102121201101101 is 101101102121201.

It is a cyclic number.

It is not a de Polignac number, because 102121201101101 - 26 = 102121201101037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121201101103) 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, 241332086 + ... + 241754871.

It is an arithmetic number, because the mean of its divisors is an integer number (4139089056144).

Almost surely, 2102121201101101 is an apocalyptic number.

It is an amenable number.

102121201101101 is a deficient number, since it is larger than the sum of its proper divisors (30329648695507).

102121201101101 is a wasteful number, since it uses less digits than its factorization.

102121201101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483087101.

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

Adding to 102121201101101 its reverse (101101102121201), we get a palindrome (203222303222302).

It can be divided in two parts, 102121201 and 101101, that multiplied together give a palindrome (10324555542301).

The spelling of 102121201101101 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred one million, one hundred one thousand, one hundred one".

Divisors: 1 7 13 23 91 101 161 299 707 1313 2093 2323 9191 16261 30199 211393 483086957 3381608699 6280130441 11111000011 43960913087 48791782657 77777000077 144443000143 341542478599 634293174541 1011101001001 1122211001111 4440052221787 7855477007777 14588743014443 102121201101101