Search a number
-
+
101121102012101 = 223301945284479
BaseRepresentation
bin10110111111100000010111…
…010111010101111011000101
3111021001002020110112120200012
4112333200113113111323011
5101223232004103341401
6555022220513400005
730204521114050043
oct2677402727257305
9437032213476605
10101121102012101
112a247244956196
12b411b44569005
1344568a9a025c2
141ad8404aa5393
15ba55d2b1d8bb
hex5bf8175d5ec5

101121102012101 has 4 divisors (see below), whose sum is σ = 101121149529600. Its totient is φ = 101121054494604.

The previous prime is 101121102012061. The next prime is 101121102012113. The reversal of 101121102012101 is 101210201121101.

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 a de Polignac number, because none of the positive numbers 2k-101121102012101 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 (101121102012191) 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, 20409221 + ... + 24875258.

It is an arithmetic number, because the mean of its divisors is an integer number (25280287382400).

Almost surely, 2101121102012101 is an apocalyptic number.

It is an amenable number.

101121102012101 is a deficient number, since it is larger than the sum of its proper divisors (47517499).

101121102012101 is an equidigital number, since it uses as much as digits as its factorization.

101121102012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47517498.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101121102012101 its reverse (101210201121101), we get a palindrome (202331303133202).

The spelling of 101121102012101 in words is "one hundred one trillion, one hundred twenty-one billion, one hundred two million, twelve thousand, one hundred one".

Divisors: 1 2233019 45284479 101121102012101