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1022221210001 = 71103373499751
BaseRepresentation
bin11101110000000010010…
…00011101000110010001
310121201112100112212000212
432320001020131012101
5113222002112210001
62101334004053505
7133565410630565
oct16700110350621
93551470485025
101022221210001
11364581250962
12146143994295
1375519bbcc04
143769372b6a5
151b8cc4dd7bb
hexee0121d191

1022221210001 has 32 divisors (see below), whose sum is σ = 1052992512000. Its totient is φ = 992045880000.

The previous prime is 1022221209967. The next prime is 1022221210063. The reversal of 1022221210001 is 1000121222201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1022221210001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022221210201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1361146376 + ... + 1361147126.

It is an arithmetic number, because the mean of its divisors is an integer number (32906016000).

Almost surely, 21022221210001 is an apocalyptic number.

It is an amenable number.

1022221210001 is a deficient number, since it is larger than the sum of its proper divisors (30771301999).

1022221210001 is a wasteful number, since it uses less digits than its factorization.

1022221210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

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

Adding to 1022221210001 its reverse (1000121222201), we get a palindrome (2022342432202).

The spelling of 1022221210001 in words is "one trillion, twenty-two billion, two hundred twenty-one million, two hundred ten thousand, one".

Divisors: 1 71 103 373 499 751 7313 26483 35429 38419 51397 53321 77353 186127 280123 374749 2727749 3649187 5492063 13215017 19171081 19888733 26607179 28852669 38599147 139781377 1361146751 2048539499 2740539437 9924477767 14397481831 1022221210001