Search a number
-
+
122101222121101 = 1713154827670463
BaseRepresentation
bin11011110000110011100111…
…111110001001111010001101
3121000022202121002220102010201
4123300303213332021322031
5112001001300330333401
61111404305503133501
734501344052421056
oct3360634776117215
9530282532812121
10122101222121101
11359a5923795833
12118400502a4291
13531913273b952
142221a32dcb72d
15e1b1edcc7b01
hex6f0ce7f89e8d

122101222121101 has 8 divisors (see below), whose sum is σ = 130270545022464. Its totient is φ = 114041554560960.

The previous prime is 122101222121083. The next prime is 122101222121107. The reversal of 122101222121101 is 101121222101221.

It is a happy number.

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

It is not a de Polignac number, because 122101222121101 - 25 = 122101222121069 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 (122101222121107) 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, 27413833005 + ... + 27413837458.

It is an arithmetic number, because the mean of its divisors is an integer number (16283818127808).

Almost surely, 2122101222121101 is an apocalyptic number.

It is an amenable number.

122101222121101 is a deficient number, since it is larger than the sum of its proper divisors (8169322901363).

122101222121101 is a wasteful number, since it uses less digits than its factorization.

122101222121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54827670611.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122101222121101 its reverse (101121222101221), we get a palindrome (223222444222322).

The spelling of 122101222121101 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 17 131 2227 54827670463 932070397871 7182424830653 122101222121101