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1001102230021 = 2774438158211
BaseRepresentation
bin11101001000101100101…
…01111100001000000101
310112201000112110111211011
432210112111330020011
5112400224132330041
62043522223042221
7132220150360435
oct16442625741005
93481015414734
101001102230021
113566241236a3
1214202b140371
137353274a55a
143664c9a62c5
151b0933dce81
hexe91657c205

1001102230021 has 8 divisors (see below), whose sum is σ = 1006984423584. Its totient is φ = 995236354320.

The previous prime is 1001102229997. The next prime is 1001102230031. The reversal of 1001102230021 is 1200322011001.

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 1001102230021 - 239 = 451346416133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001102229983 and 1001102230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001102230031) 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, 3956395 + ... + 4201816.

It is an arithmetic number, because the mean of its divisors is an integer number (125873052948).

Almost surely, 21001102230021 is an apocalyptic number.

It is an amenable number.

1001102230021 is a deficient number, since it is larger than the sum of its proper divisors (5882193563).

1001102230021 is an equidigital number, since it uses as much as digits as its factorization.

1001102230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158931.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1001102230021 its reverse (1200322011001), we get a palindrome (2201424241022).

The spelling of 1001102230021 in words is "one trillion, one billion, one hundred two million, two hundred thirty thousand, twenty-one".

Divisors: 1 277 443 122711 8158211 2259824447 3614087473 1001102230021