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102000221001121 = 899411217927629
BaseRepresentation
bin10111001100010011000110…
…111100001001010110100001
3111101011010101210000101210111
4113030103012330021112201
5101332132423034013441
61000534131000331321
730325162364133412
oct2714230674112641
9441133353011714
10102000221001121
112a556061684413
12b5343ab773b41
1344bb76c4085c1
141b28ba0b8d809
15bbd3d6da4081
hex5cc4c6f095a1

102000221001121 has 8 divisors (see below), whose sum is σ = 103255904471400. Its totient is φ = 100746973388160.

The previous prime is 102000221001113. The next prime is 102000221001137. The reversal of 102000221001121 is 121100122000201.

It can be written as a sum of positive squares in 4 ways, for example, as 365191784721 + 101635029216400 = 604311^2 + 10081420^2 .

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 102000221001121 - 23 = 102000221001113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102000221001221) 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, 608880066 + ... + 609047563.

It is an arithmetic number, because the mean of its divisors is an integer number (12906988058925).

Almost surely, 2102000221001121 is an apocalyptic number.

It is an amenable number.

102000221001121 is a deficient number, since it is larger than the sum of its proper divisors (1255683470279).

102000221001121 is an equidigital number, since it uses as much as digits as its factorization.

102000221001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217928659.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102000221001121 its reverse (121100122000201), we get a palindrome (223100343001322).

The spelling of 102000221001121 in words is "one hundred two trillion, two hundred twenty-one million, one thousand, one hundred twenty-one".

Divisors: 1 89 941 83749 1217927629 108395558981 1146069898889 102000221001121