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122112120202201 = 235309222617487
BaseRepresentation
bin11011110000111101110001…
…100011000010001111011001
3121000100210201121120021221001
4123300331301203002033121
5112001141110232432301
61111413311130545001
734502211113530213
oct3360756143021731
9530323647507831
10122112120202201
11359aa506441428
1211842191b98161
13531a17b50024c
14222238852b5b3
15e1b63a933c01
hex6f0f718c23d9

122112120202201 has 4 divisors (see below), whose sum is σ = 127421342819712. Its totient is φ = 116802897584692.

The previous prime is 122112120202153. The next prime is 122112120202253. The reversal of 122112120202201 is 102202021211221.

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 122112120202201 - 211 = 122112120200153 is a prime.

It is a super-2 number, since 2×1221121202022012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122112120202271) 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, 2654611308721 + ... + 2654611308766.

It is an arithmetic number, because the mean of its divisors is an integer number (31855335704928).

Almost surely, 2122112120202201 is an apocalyptic number.

It is an amenable number.

122112120202201 is a deficient number, since it is larger than the sum of its proper divisors (5309222617511).

122112120202201 is an equidigital number, since it uses as much as digits as its factorization.

122112120202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309222617510.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122112120202201 its reverse (102202021211221), we get a palindrome (224314141413422).

The spelling of 122112120202201 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred twenty million, two hundred two thousand, two hundred one".

Divisors: 1 23 5309222617487 122112120202201