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102101120221121 = 7145310038454451
BaseRepresentation
bin10111001101110001000101…
…000000000111111111000001
3111101111202211121200211222122
4113031301011000013333001
5101340311043234033441
61001052335045014025
730335363640301520
oct2715610500077701
9441452747624878
10102101120221121
112a59492965983a
12b54ba6a6b4315
1344c812c2ca688
141b2da134064b7
15bc0d4001434b
hex5cdc45007fc1

102101120221121 has 8 divisors (see below), whose sum is σ = 116767302185664. Its totient is φ = 87455015168400.

The previous prime is 102101120221099. The next prime is 102101120221193. The reversal of 102101120221121 is 121122021101201.

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 102101120221121 - 214 = 102101120204737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102101120221121.

It is not an unprimeable number, because it can be changed into a prime (102101120227121) 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, 5019217055 + ... + 5019237396.

It is an arithmetic number, because the mean of its divisors is an integer number (14595912773208).

Almost surely, 2102101120221121 is an apocalyptic number.

It is an amenable number.

102101120221121 is a deficient number, since it is larger than the sum of its proper divisors (14666181964543).

102101120221121 is a wasteful number, since it uses less digits than its factorization.

102101120221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10038455911.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102101120221121 its reverse (121122021101201), we get a palindrome (223223141322322).

The spelling of 102101120221121 in words is "one hundred two trillion, one hundred one billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 7 1453 10171 10038454451 70269181157 14585874317303 102101120221121