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10100121201121 = 742124171417979
BaseRepresentation
bin1001001011111001111000…
…1000101110100111100001
31022202120011210221020202111
42102332132020232213201
52310440022011413441
633251533121515321
72061465263455660
oct222763610564741
938676153836674
1010100121201121
11324448a121336
12117157a1a2b41
1358358bac27b3
1426cbc42dcdd7
15127ad9b1e081
hex92f9e22e9e1

10100121201121 has 16 divisors (see below), whose sum is σ = 11575208960640. Its totient is φ = 8633103816960.

The previous prime is 10100121201119. The next prime is 10100121201133. The reversal of 10100121201121 is 12110212100101.

It is a happy number.

It is not a de Polignac number, because 10100121201121 - 21 = 10100121201119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100121201721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6413910 + ... + 7831888.

It is an arithmetic number, because the mean of its divisors is an integer number (723450560040).

Almost surely, 210100121201121 is an apocalyptic number.

It is an amenable number.

10100121201121 is a deficient number, since it is larger than the sum of its proper divisors (1475087759519).

10100121201121 is a wasteful number, since it uses less digits than its factorization.

10100121201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420824.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10100121201121 its reverse (12110212100101), we get a palindrome (22210333301222).

The spelling of 10100121201121 in words is "ten trillion, one hundred billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 7 421 2417 2947 16919 1017557 1417979 7122899 9925853 596969159 3427255243 4178784113 23990786701 1442874457303 10100121201121