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222021102000001 = 407954430277519
BaseRepresentation
bin110010011110110101010000…
…111010101101011110000001
31002010010000021100002002020211
4302132311100322231132001
5213100043204103000001
62104111030341434121
764523331611024413
oct6236652072553601
91063100240062224
10222021102000001
1164819691001097
1220a99215a0b941
1396b66668b29c5
143cb7c431169b3
151aa042979c351
hexc9ed50ead781

222021102000001 has 4 divisors (see below), whose sum is σ = 222075532281600. Its totient is φ = 221966671718404.

The previous prime is 222021101999821. The next prime is 222021102000067. The reversal of 222021102000001 is 100000201120222.

It is a happy number.

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 222021102000001 - 213 = 222021101991809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222021102000701) 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, 27215134681 + ... + 27215142838.

It is an arithmetic number, because the mean of its divisors is an integer number (55518883070400).

Almost surely, 2222021102000001 is an apocalyptic number.

It is an amenable number.

222021102000001 is a deficient number, since it is larger than the sum of its proper divisors (54430281599).

222021102000001 is an equidigital number, since it uses as much as digits as its factorization.

222021102000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54430281598.

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

Adding to 222021102000001 its reverse (100000201120222), we get a palindrome (322021303120223).

The spelling of 222021102000001 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred two million, one", and thus it is an aban number.

Divisors: 1 4079 54430277519 222021102000001