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101121201097 = 7127391133989
BaseRepresentation
bin101111000101101001…
…0110001001111001001
3100200000022101021000021
41132023102301033021
53124044011413342
6114242054140441
710206610012240
oct1361322611711
9320008337007
10101121201097
1139981311084
1217721351721
1396c6ba4447
144c73d1b957
15296c8ac567
hex178b4b13c9

101121201097 has 8 divisors (see below), whose sum is σ = 115576260800. Its totient is φ = 86668434864.

The previous prime is 101121201091. The next prime is 101121201187. The reversal of 101121201097 is 790102121101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101121201097 is a prime.

It is a super-2 number, since 2×1011212010972 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101121201091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477822 + ... + 656167.

It is an arithmetic number, because the mean of its divisors is an integer number (14447032600).

Almost surely, 2101121201097 is an apocalyptic number.

It is an amenable number.

101121201097 is a deficient number, since it is larger than the sum of its proper divisors (14455059703).

101121201097 is a wasteful number, since it uses less digits than its factorization.

101121201097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146735.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 101121201097 its reverse (790102121101), we get a palindrome (891223322198).

The spelling of 101121201097 in words is "one hundred one billion, one hundred twenty-one million, two hundred one thousand, ninety-seven".

Divisors: 1 7 12739 89173 1133989 7937923 14445885871 101121201097