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121102000211 = 235265304357
BaseRepresentation
bin111000011001000111…
…1011110000001010011
3102120120210210000121002
41300302033132001103
53441004103001321
6131344500052215
711515010006003
oct1606217360123
9376523700532
10121102000211
11473a4a161a5
121b57899406b
13b55c5b85ba
145c0b846003
15323bad420b
hex1c323de053

121102000211 has 4 divisors (see below), whose sum is σ = 126367304592. Its totient is φ = 115836695832.

The previous prime is 121102000199. The next prime is 121102000223. The reversal of 121102000211 is 112000201121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112000201121 = 188035956507.

It is an interprime number because it is at equal distance from previous prime (121102000199) and next prime (121102000223).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121102000211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121102000192 and 121102000201.

It is not an unprimeable number, because it can be changed into a prime (121102050211) 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, 2632652156 + ... + 2632652201.

It is an arithmetic number, because the mean of its divisors is an integer number (31591826148).

Almost surely, 2121102000211 is an apocalyptic number.

121102000211 is a deficient number, since it is larger than the sum of its proper divisors (5265304381).

121102000211 is an equidigital number, since it uses as much as digits as its factorization.

121102000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265304380.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121102000211 its reverse (112000201121), we get a palindrome (233102201332).

The spelling of 121102000211 in words is "one hundred twenty-one billion, one hundred two million, two hundred eleven", and thus it is an aban number.

Divisors: 1 23 5265304357 121102000211