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1011302202121 = 1379973288079
BaseRepresentation
bin11101011011101100100…
…11101111101100001001
310120200100101111210002121
432231312103233230021
5113032121330431441
62052330311531241
7133031003612431
oct16556623575411
93520311453077
101011302202121
1135a988801702
12143bb7089b21
13744999b23c3
1436d395012c1
151b48daebdd1
hexeb764efb09

1011302202121 has 4 divisors (see below), whose sum is σ = 1011375504000. Its totient is φ = 1011228900244.

The previous prime is 1011302202073. The next prime is 1011302202133. The reversal of 1011302202121 is 1212022031101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1011302202121 - 235 = 976942463753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011302202095 and 1011302202104.

It is not an unprimeable number, because it can be changed into a prime (1011302202181) 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, 36630241 + ... + 36657838.

It is an arithmetic number, because the mean of its divisors is an integer number (252843876000).

Almost surely, 21011302202121 is an apocalyptic number.

It is an amenable number.

1011302202121 is a deficient number, since it is larger than the sum of its proper divisors (73301879).

1011302202121 is an equidigital number, since it uses as much as digits as its factorization.

1011302202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73301878.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1011302202121 its reverse (1212022031101), we get a palindrome (2223324233222).

The spelling of 1011302202121 in words is "one trillion, eleven billion, three hundred two million, two hundred two thousand, one hundred twenty-one".

Divisors: 1 13799 73288079 1011302202121