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1002012220231 = 11601151567421
BaseRepresentation
bin11101001010011001001…
…01010001101101000111
310112210100221202210201021
432211030211101231013
5112404110112021411
62044152411212011
7132251540225221
oct16451445215507
93483327683637
101002012220231
11356a50859820
12142243a47007
13736491311b9
14366d77a3411
151b0e823ea71
hexe94c951b47

1002012220231 has 8 divisors (see below), whose sum is σ = 1094923056528. Its totient is φ = 909404520000.

The previous prime is 1002012220229. The next prime is 1002012220259. The reversal of 1002012220231 is 1320222102001.

It is a happy number.

1002012220231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1002012220231 - 21 = 1002012220229 is a prime.

It is a super-3 number, since 3×10020122202313 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002012220201) 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, 75777100 + ... + 75790321.

It is an arithmetic number, because the mean of its divisors is an integer number (136865382066).

Almost surely, 21002012220231 is an apocalyptic number.

1002012220231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002012220231 is a deficient number, since it is larger than the sum of its proper divisors (92910836297).

1002012220231 is a wasteful number, since it uses less digits than its factorization.

1002012220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151568033.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1002012220231 its reverse (1320222102001), we get a palindrome (2322234322232).

The spelling of 1002012220231 in words is "one trillion, two billion, twelve million, two hundred twenty thousand, two hundred thirty-one".

Divisors: 1 11 601 6611 151567421 1667241631 91092020021 1002012220231