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2122201002001 = 19258991431269
BaseRepresentation
bin11110111000011101000…
…010010111000000010001
321111212202211120221121011
4132320131002113000101
5234232231424031001
64302531540330521
7306216055611643
oct36703502270021
97455684527534
102122201002001
1174902515a323
122a33689a3a41
13125179741192
1474a02254893
153a30b2ebd51
hex1ee1d097011

2122201002001 has 8 divisors (see below), whose sum is σ = 2233909596800. Its totient is φ = 2010493787760.

The previous prime is 2122201001981. The next prime is 2122201002011. The reversal of 2122201002001 is 1002001022212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2122201002001 - 215 = 2122200969233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122201002011) 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, 4705195 + ... + 5136463.

It is an arithmetic number, because the mean of its divisors is an integer number (279238699600).

Almost surely, 22122201002001 is an apocalyptic number.

It is an amenable number.

2122201002001 is a deficient number, since it is larger than the sum of its proper divisors (111708594799).

2122201002001 is a wasteful number, since it uses less digits than its factorization.

2122201002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690279.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2122201002001 its reverse (1002001022212), we get a palindrome (3124202024213).

The spelling of 2122201002001 in words is "two trillion, one hundred twenty-two billion, two hundred one million, two thousand, one".

Divisors: 1 19 258991 431269 4920829 8194111 111694789579 2122201002001