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101421103402231 = 3730776391168831
BaseRepresentation
bin10111000011110111110000…
…110101110100110011110111
3111022002202121002002020022121
4113003313300311310303313
5101243140404432332411
6555412113420340411
730235301326562314
oct2703676065646367
9438082532066277
10101421103402231
112a3524a2911958
12b46010a3a4707
134478c79bc9b72
141b08b44089d0b
15bad2e04a4571
hex5c3df0d74cf7

101421103402231 has 16 divisors (see below), whose sum is σ = 104515274321920. Its totient is φ = 98345599316640.

The previous prime is 101421103402219. The next prime is 101421103402291. The reversal of 101421103402231 is 132204301124101.

It is not a de Polignac number, because 101421103402231 - 215 = 101421103369463 is a prime.

It is a super-2 number, since 2×1014211034022312 (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 = 101421103402196 and 101421103402205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101421103402291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86186986 + ... + 87355816.

It is an arithmetic number, because the mean of its divisors is an integer number (6532204645120).

Almost surely, 2101421103402231 is an apocalyptic number.

101421103402231 is a deficient number, since it is larger than the sum of its proper divisors (3094170919689).

101421103402231 is a wasteful number, since it uses less digits than its factorization.

101421103402231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176814.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 101421103402231 its reverse (132204301124101), we get a palindrome (233625404526332).

The spelling of 101421103402231 in words is "one hundred one trillion, four hundred twenty-one billion, one hundred three million, four hundred two thousand, two hundred thirty-one".

Divisors: 1 37 307 7639 11359 282643 1168831 2345173 43246747 86771401 358831117 8928700009 13276751329 330361900333 2741110902763 101421103402231