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100121020211101 = 547731827926537
BaseRepresentation
bin10110110000111100111101…
…110110000001111110011101
3111010111110212001012020022111
4112300330331312001332131
5101110340322133223401
6552534543421514021
730042335134024111
oct2660747566017635
9433443761166274
10100121020211101
11299a10a4839a6a
12b29015b112911
1343b34aa7c5a06
141aa1c51847741
15b8959e0e9e51
hex5b0f3dd81f9d

100121020211101 has 4 divisors (see below), whose sum is σ = 100122848192412. Its totient is φ = 100119192229792.

The previous prime is 100121020211087. The next prime is 100121020211129. The reversal of 100121020211101 is 101112020121001.

Adding to 100121020211101 its reverse (101112020121001), we get a palindrome (201233040332102).

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79412158822500 + 20708861388601 = 8911350^2 + 4550699^2 .

It is a cyclic number.

It is not a de Polignac number, because 100121020211101 - 223 = 100121011822493 is a prime.

It is a super-2 number, since 2×1001210202111012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121020211161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913908496 + ... + 914018041.

It is an arithmetic number, because the mean of its divisors is an integer number (25030712048103).

Almost surely, 2100121020211101 is an apocalyptic number.

It is an amenable number.

100121020211101 is a deficient number, since it is larger than the sum of its proper divisors (1827981311).

100121020211101 is an equidigital number, since it uses as much as digits as its factorization.

100121020211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827981310.

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

The spelling of 100121020211101 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, two hundred eleven thousand, one hundred one".

Divisors: 1 54773 1827926537 100121020211101