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1220102122102 = 2691788195903
BaseRepresentation
bin10001110000010011110…
…000001110101001110110
311022122022000101201102021
4101300103300032221312
5124442232120401402
62332301314503354
7154102160631013
oct21602360165166
94278260351367
101220102122102
11430495926a46
12178569894b5a
138b09419a006
14430a61d470a
1521b0e8c9d37
hex11c13c0ea76

1220102122102 has 8 divisors (see below), whose sum is σ = 1830417791616. Its totient is φ = 609962858232.

The previous prime is 1220102122079. The next prime is 1220102122103. The reversal of 1220102122102 is 2012212010221.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220102122103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44084118 + ... + 44111785.

It is an arithmetic number, because the mean of its divisors is an integer number (228802223952).

Almost surely, 21220102122102 is an apocalyptic number.

1220102122102 is a deficient number, since it is larger than the sum of its proper divisors (610315669514).

1220102122102 is an equidigital number, since it uses as much as digits as its factorization.

1220102122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88202822.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220102122102 its reverse (2012212010221), we get a palindrome (3232314132323).

The spelling of 1220102122102 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred twenty-two thousand, one hundred two".

Divisors: 1 2 6917 13834 88195903 176391806 610051061051 1220102122102