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100021323121131 = 3185397717983201
BaseRepresentation
bin10110101111100000000111…
…011011110100000111101011
3111010010221111222112022111210
4112233200013123310013223
5101102222132204334011
6552421054515124203
730032205425525166
oct2657400733640753
9433127458468453
10100021323121131
1129962894395735
12b2749768a3663
1343a6c7c992799
141a9b0b4b16add
15b86bb67966a6
hex5af8076f41eb

100021323121131 has 8 divisors (see below), whose sum is σ = 133361843510224. Its totient is φ = 66680842406400.

The previous prime is 100021323121121. The next prime is 100021323121169. The reversal of 100021323121131 is 131121323120001.

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

It is not a de Polignac number, because 100021323121131 - 213 = 100021323112939 is a prime.

It is a super-2 number, since 2×1000213231211312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021323121098 and 100021323121107.

It is not an unprimeable number, because it can be changed into a prime (100021323121121) 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, 3429670 + ... + 14553531.

It is an arithmetic number, because the mean of its divisors is an integer number (16670230438778).

Almost surely, 2100021323121131 is an apocalyptic number.

100021323121131 is a deficient number, since it is larger than the sum of its proper divisors (33340520389093).

100021323121131 is a wasteful number, since it uses less digits than its factorization.

100021323121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19837181.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 100021323121131 its reverse (131121323120001), we get a palindrome (231142646241132).

The spelling of 100021323121131 in words is "one hundred trillion, twenty-one billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 3 1853977 5561931 17983201 53949603 33340441040377 100021323121131