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102020022012001 = 353921288256481
BaseRepresentation
bin10111001100100101100011…
…001011000000100001100001
3111101020000111202002222021211
4113030211203023000201201
5101332444001113341001
61000551203500550121
730326463152013202
oct2714454313004141
9441200452088254
10102020022012001
112a5634a2850a15
12b5381b6b52341
1344c05a67c10a2
141b29b1c8775a9
15bbdb95415351
hex5cc9632c0861

102020022012001 has 4 divisors (see below), whose sum is σ = 102020310622404. Its totient is φ = 102019733401600.

The previous prime is 102020022011981. The next prime is 102020022012043. The reversal of 102020022012001 is 100210220020201.

It is a happy number.

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 30032603000401 + 71987419011600 = 5480201^2 + 8484540^2 .

It is a cyclic number.

It is not a de Polignac number, because 102020022012001 - 221 = 102020019914849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020022010001) 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 3 ways as a sum of consecutive naturals, for example, 143774320 + ... + 144482161.

It is an arithmetic number, because the mean of its divisors is an integer number (25505077655601).

Almost surely, 2102020022012001 is an apocalyptic number.

It is an amenable number.

102020022012001 is a deficient number, since it is larger than the sum of its proper divisors (288610403).

102020022012001 is an equidigital number, since it uses as much as digits as its factorization.

102020022012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288610402.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102020022012001 its reverse (100210220020201), we get a palindrome (202230242032202).

The spelling of 102020022012001 in words is "one hundred two trillion, twenty billion, twenty-two million, twelve thousand, one".

Divisors: 1 353921 288256481 102020022012001