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2122021001201 = 2398878748959
BaseRepresentation
bin11110111000010010010…
…011101101011111110001
321111212022021212221220212
4132320102103231133301
5234231344334014301
64302502030313505
7306211441621163
oct36702223553761
97455267787825
102122021001201
11748a42597032
122a3318658895
1312514b369b2a
14749c639a933
153a2ea5e34bb
hex1ee124ed7f1

2122021001201 has 4 divisors (see below), whose sum is σ = 2130899750400. Its totient is φ = 2113142252004.

The previous prime is 2122021001183. The next prime is 2122021001227. The reversal of 2122021001201 is 1021001202212.

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 2122021001201 - 238 = 1847143094257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122021009201) 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, 4439374241 + ... + 4439374718.

It is an arithmetic number, because the mean of its divisors is an integer number (532724937600).

Almost surely, 22122021001201 is an apocalyptic number.

It is an amenable number.

2122021001201 is a deficient number, since it is larger than the sum of its proper divisors (8878749199).

2122021001201 is an equidigital number, since it uses as much as digits as its factorization.

2122021001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8878749198.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2122021001201 its reverse (1021001202212), we get a palindrome (3143022203413).

The spelling of 2122021001201 in words is "two trillion, one hundred twenty-two billion, twenty-one million, one thousand, two hundred one".

Divisors: 1 239 8878748959 2122021001201