Search a number
-
+
101201212210001 = 259139058746511
BaseRepresentation
bin10111000000101010111110…
…010011011111101101010001
3111021022202000111000021202212
4113000222332103133231101
5101231040040311210001
6555123110045121505
730213355244356241
oct2700527623375521
9437282014007685
10101201212210001
112a278213a89612
12b425581259295
13446130590b877
141adc244327b21
15ba7720b087bb
hex5c0abe4dfb51

101201212210001 has 4 divisors (see below), whose sum is σ = 101240270959104. Its totient is φ = 101162153460900.

The previous prime is 101201212209971. The next prime is 101201212210013. The reversal of 101201212210001 is 100012212102101.

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 101201212210001 - 222 = 101201208015697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101201212210081) 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, 19529370665 + ... + 19529375846.

It is an arithmetic number, because the mean of its divisors is an integer number (25310067739776).

Almost surely, 2101201212210001 is an apocalyptic number.

It is an amenable number.

101201212210001 is a deficient number, since it is larger than the sum of its proper divisors (39058749103).

101201212210001 is an equidigital number, since it uses as much as digits as its factorization.

101201212210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39058749102.

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

Adding to 101201212210001 its reverse (100012212102101), we get a palindrome (201213424312102).

The spelling of 101201212210001 in words is "one hundred one trillion, two hundred one billion, two hundred twelve million, two hundred ten thousand, one".

Divisors: 1 2591 39058746511 101201212210001