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10202110221001 = 61342974876453
BaseRepresentation
bin1001010001110101110100…
…1001111101101011001001
31100010022102121021021100011
42110131131021331223021
52314122410204033001
633410441300311521
72102035542025156
oct224353511755311
940108377237304
1010202110221001
113283766284516
1211892a20a25a1
1359009370387a
14273adb59b22d
1512a5a879cd51
hex9475d27dac9

10202110221001 has 8 divisors (see below), whose sum is σ = 10369662396104. Its totient is φ = 10034567867520.

The previous prime is 10202110220971. The next prime is 10202110221029. The reversal of 10202110221001 is 10012201120201.

It can be written as a sum of positive squares in 4 ways, for example, as 52246987776 + 10149863233225 = 228576^2 + 3185885^2 .

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 10202110221001 - 235 = 10167750482633 is a prime.

It is a super-2 number, since 2×102021102210012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202110221071) 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, 346110 + ... + 4530343.

It is an arithmetic number, because the mean of its divisors is an integer number (1296207799513).

Almost surely, 210202110221001 is an apocalyptic number.

It is an amenable number.

10202110221001 is a deficient number, since it is larger than the sum of its proper divisors (167552175103).

10202110221001 is an equidigital number, since it uses as much as digits as its factorization.

10202110221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910811.

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

Adding to 10202110221001 its reverse (10012201120201), we get a palindrome (20214311341202).

The spelling of 10202110221001 in words is "ten trillion, two hundred two billion, one hundred ten million, two hundred twenty-one thousand, one".

Divisors: 1 61 34297 2092117 4876453 297463633 167247708541 10202110221001