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102121020201121 = 1911744913064141
BaseRepresentation
bin10111001110000011100111…
…001000100001100010100001
3111101120200012111000120120221
4113032003213020201202201
5101341122322132413441
61001105425442403041
730340000036321105
oct2716034710414241
9441520174016527
10102121020201121
112a5a23106832a9
12b5538a3060481
1344c9c8105567c
141b309802d3905
15bc16070c48d1
hex5ce0e72218a1

102121020201121 has 8 divisors (see below), whose sum is σ = 102656307045888. Its totient is φ = 101585739834000.

The previous prime is 102121020201019. The next prime is 102121020201149. The reversal of 102121020201121 is 121102020121201.

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 102121020201121 - 29 = 102121020200609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102121020201095 and 102121020201104.

It is not an unprimeable number, because it can be changed into a prime (102121020201181) 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, 31795711 + ... + 34859851.

It is an arithmetic number, because the mean of its divisors is an integer number (12832038380736).

Almost surely, 2102121020201121 is an apocalyptic number.

It is an amenable number.

102121020201121 is a deficient number, since it is larger than the sum of its proper divisors (535286844767).

102121020201121 is a wasteful number, since it uses less digits than its factorization.

102121020201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238823.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102121020201121 its reverse (121102020121201), we get a palindrome (223223040322322).

The spelling of 102121020201121 in words is "one hundred two trillion, one hundred twenty-one billion, twenty million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 191 174491 3064141 33327781 585250931 534665027231 102121020201121