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222120200122001 = 318584783464393
BaseRepresentation
bin110010100000010001100011…
…101000000010111010010001
31002010110111001122200021110122
4302200101203220002322101
5213103204132212401001
62104224340010240025
764533440424123116
oct6240214350027221
91063414048607418
10222120200122001
1164857714341975
1220ab4471726015
1396c2aca5bc00c
143cbc96448c90d
151aa2cc9738b1b
hexca0463a02e91

222120200122001 has 8 divisors (see below), whose sum is σ = 229288041475584. Its totient is φ = 214952525868960.

The previous prime is 222120200121929. The next prime is 222120200122027. The reversal of 222120200122001 is 100221002021222.

Adding to 222120200122001 its reverse (100221002021222), we get a palindrome (322341202143223).

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 222120200122001 - 226 = 222120133013137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222120200122801) 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, 39070940 + ... + 44393453.

It is an arithmetic number, because the mean of its divisors is an integer number (28661005184448).

Almost surely, 2222120200122001 is an apocalyptic number.

It is an amenable number.

222120200122001 is a deficient number, since it is larger than the sum of its proper divisors (7167841353583).

222120200122001 is an equidigital number, since it uses as much as digits as its factorization.

222120200122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83550271.

The product of its (nonzero) digits is 128, while the sum is 17.

The spelling of 222120200122001 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred million, one hundred twenty-two thousand, one".

Divisors: 1 31 85847 2661257 83464393 2587396183 7165167745871 222120200122001