Search a number
-
+
1011102022121 = 7155603256117
BaseRepresentation
bin11101011011010100110…
…00000111100111101001
310120122211102211120202112
432231222120013213221
5113031214104201441
62052254401212105
7133023023245322
oct16555230074751
93518742746675
101011102022121
1135a895806494
12143b60031035
13744673941b9
1436d1aab3449
151b47b2594eb
hexeb6a6079e9

1011102022121 has 8 divisors (see below), whose sum is σ = 1025365339584. Its totient is φ = 996839328240.

The previous prime is 1011102022111. The next prime is 1011102022181. The reversal of 1011102022121 is 1212202011101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011102022121 - 218 = 1011101759977 is a prime.

It is a super-4 number, since 4×10111020221214 (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011102022096 and 1011102022105.

It is not an unprimeable number, because it can be changed into a prime (1011102022111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3819755 + ... + 4075871.

It is an arithmetic number, because the mean of its divisors is an integer number (128170667448).

Almost surely, 21011102022121 is an apocalyptic number.

It is an amenable number.

1011102022121 is a deficient number, since it is larger than the sum of its proper divisors (14263317463).

1011102022121 is an equidigital number, since it uses as much as digits as its factorization.

1011102022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311791.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011102022121 its reverse (1212202011101), we get a palindrome (2223304033222).

The spelling of 1011102022121 in words is "one trillion, eleven billion, one hundred two million, twenty-two thousand, one hundred twenty-one".

Divisors: 1 71 55603 256117 3947813 18184307 14240873551 1011102022121