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1102220000021 = 7791993164557
BaseRepresentation
bin10000000010100001011…
…011100111101100010101
310220101000121101110020202
4100002201123213230111
5121024321310000041
62202204115510245
7142430016262550
oct20024133475425
93811017343222
101102220000021
113954a3500958
1215974b2b8385
137cc289c005a
143b4c226d697
151da1081da9b
hex100a16e7b15

1102220000021 has 8 divisors (see below), whose sum is σ = 1275625317120. Its totient is φ = 932801012208.

The previous prime is 1102219999999. The next prime is 1102220000023. The reversal of 1102220000021 is 1200000222011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1102220000021 - 238 = 827342093077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102219999957 and 1102220000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102220000023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996581726 + ... + 996582831.

It is an arithmetic number, because the mean of its divisors is an integer number (159453164640).

Almost surely, 21102220000021 is an apocalyptic number.

It is an amenable number.

1102220000021 is a deficient number, since it is larger than the sum of its proper divisors (173405317099).

1102220000021 is an equidigital number, since it uses as much as digits as its factorization.

1102220000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993164643.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1102220000021 its reverse (1200000222011), we get a palindrome (2302220222032).

The spelling of 1102220000021 in words is "one trillion, one hundred two billion, two hundred twenty million, twenty-one", and thus it is an aban number.

Divisors: 1 7 79 553 1993164557 13952151899 157460000003 1102220000021