Search a number
-
+
1121102012101 = 3155993552299
BaseRepresentation
bin10000010100000110111…
…000110001111011000101
310222011202112020001101111
4100110012320301323011
5121332004103341401
62215005510525021
7143665644604501
oct20240670617305
93864675201344
101121102012101
113a250294a015
1216133a966771
1381947889676
143c393c93301
151e26834de51
hex10506e31ec5

1121102012101 has 4 divisors (see below), whose sum is σ = 1121105880000. Its totient is φ = 1121098144204.

The previous prime is 1121102012099. The next prime is 1121102012123. The reversal of 1121102012101 is 1012102011211.

It is a happy number.

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 1121102012101 - 21 = 1121102012099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121102012201) 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, 1460551 + ... + 2091748.

It is an arithmetic number, because the mean of its divisors is an integer number (280276470000).

Almost surely, 21121102012101 is an apocalyptic number.

It is an amenable number.

1121102012101 is a deficient number, since it is larger than the sum of its proper divisors (3867899).

1121102012101 is an equidigital number, since it uses as much as digits as its factorization.

1121102012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867898.

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

Adding to 1121102012101 its reverse (1012102011211), we get a palindrome (2133204023312).

The spelling of 1121102012101 in words is "one trillion, one hundred twenty-one billion, one hundred two million, twelve thousand, one hundred one".

Divisors: 1 315599 3552299 1121102012101