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20102101221122 = 251971193397291
BaseRepresentation
bin1001001001000011000101…
…00110100011111100000010
32122011202000222220221101222
410210201202212203330002
510113323100403033442
6110430440001355042
74143220544051324
oct444414246437402
978152028827358
1020102101221122
116450287095718
122307b09038a82
13b2a80a21b08b
144d6d383a5614
1524cd7d7c98d2
hex1248629a3f02

20102101221122 has 8 divisors (see below), whose sum is σ = 30153732179472. Its totient is φ = 10050857161300.

The previous prime is 20102101221079. The next prime is 20102101221127. The reversal of 20102101221122 is 22112210120102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20102101221122.

It is not an unprimeable number, because it can be changed into a prime (20102101221127) 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, 96594704 + ... + 96802587.

It is an arithmetic number, because the mean of its divisors is an integer number (3769216522434).

Almost surely, 220102101221122 is an apocalyptic number.

20102101221122 is a deficient number, since it is larger than the sum of its proper divisors (10051630958350).

20102101221122 is a wasteful number, since it uses less digits than its factorization.

20102101221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193449264.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20102101221122 its reverse (22112210120102), we get a palindrome (42214311341224).

The spelling of 20102101221122 in words is "twenty trillion, one hundred two billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 51971 103942 193397291 386794582 10051050610561 20102101221122