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1220102221007 is a prime number
BaseRepresentation
bin10001110000010011110…
…000100110110011001111
311022122022000120202002102
4101300103300212303033
5124442232132033012
62332301320545315
7154102161522245
oct21602360466317
94278260522072
101220102221007
1143049599428a
1217856992223b
138b094203037
14430a621c795
1521b0e8e92c2
hex11c13c26ccf

1220102221007 has 2 divisors, whose sum is σ = 1220102221008. Its totient is φ = 1220102221006.

The previous prime is 1220102220989. The next prime is 1220102221057. The reversal of 1220102221007 is 7001222010221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220102221007 - 236 = 1151382744271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220102221007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220102221057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610051110503 + 610051110504.

It is an arithmetic number, because the mean of its divisors is an integer number (610051110504).

Almost surely, 21220102221007 is an apocalyptic number.

1220102221007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220102221007 is an equidigital number, since it uses as much as digits as its factorization.

1220102221007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 1220102221007 its reverse (7001222010221), we get a palindrome (8221324231228).

The spelling of 1220102221007 in words is "one trillion, two hundred twenty billion, one hundred two million, two hundred twenty-one thousand, seven".