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102011201201101 = 268277338024537
BaseRepresentation
bin10111001100011101010101…
…011010010010001111001101
3111101012011202000012100111211
4113030131111122102033031
5101332322420001413401
61000543144320214421
730326031443242303
oct2714352532221715
9441164660170454
10102011201201101
112a55a786719155
12b536554a6a411
1344bc7cc1bc85a
141b29523188273
15bbd82ad31951
hex5cc7556923cd

102011201201101 has 4 divisors (see below), whose sum is σ = 102011241908412. Its totient is φ = 102011160493792.

The previous prime is 102011201201099. The next prime is 102011201201159. The reversal of 102011201201101 is 101102102110201.

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 28895892740100 + 73115308461001 = 5375490^2 + 8550749^2 .

It is a cyclic number.

It is not a de Polignac number, because 102011201201101 - 21 = 102011201201099 is a prime.

It is a super-2 number, since 2×1020112012011012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011201201401) 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, 16329496 + ... + 21695041.

It is an arithmetic number, because the mean of its divisors is an integer number (25502810477103).

Almost surely, 2102011201201101 is an apocalyptic number.

It is an amenable number.

102011201201101 is a deficient number, since it is larger than the sum of its proper divisors (40707311).

102011201201101 is an equidigital number, since it uses as much as digits as its factorization.

102011201201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40707310.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102011201201101 its reverse (101102102110201), we get a palindrome (203113303311302).

The spelling of 102011201201101 in words is "one hundred two trillion, eleven billion, two hundred one million, two hundred one thousand, one hundred one".

Divisors: 1 2682773 38024537 102011201201101