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10101012102001 = 15101668896901
BaseRepresentation
bin1001001011111101001100…
…1111001111101101110001
31022202122110220022201000101
42102333103033033231301
52310443333044231001
633252201344552401
72061526332136432
oct222772317175561
938678426281011
1010101012102001
1132448a6aa9357
121171788622701
135836a1551692
1426cc6a76b489
15127b3ce4ea01
hex92fd33cfb71

10101012102001 has 4 divisors (see below), whose sum is σ = 10101681014004. Its totient is φ = 10100343190000.

The previous prime is 10101012101941. The next prime is 10101012102047. The reversal of 10101012102001 is 10020121010101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3249438864400 + 6851573237601 = 1802620^2 + 2617551^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101012102001 - 29 = 10101012101489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101012108001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334433350 + ... + 334463551.

It is an arithmetic number, because the mean of its divisors is an integer number (2525420253501).

Almost surely, 210101012102001 is an apocalyptic number.

It is an amenable number.

10101012102001 is a deficient number, since it is larger than the sum of its proper divisors (668912003).

10101012102001 is an equidigital number, since it uses as much as digits as its factorization.

10101012102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668912002.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10101012102001 its reverse (10020121010101), we get a palindrome (20121133112102).

The spelling of 10101012102001 in words is "ten trillion, one hundred one billion, twelve million, one hundred two thousand, one".

Divisors: 1 15101 668896901 10101012102001