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10021211111101 = 471609132515387
BaseRepresentation
bin1001000111010011111010…
…1110100111111010111101
31022111000111102200100011211
42101310332232213322331
52303141420021023401
633151403020444421
72053002644664331
oct221647656477275
938430442610154
1010021211111101
113213a76468803
12115a2173a9711
13578cc4717b38
1426905a1d77c1
15125a1c191951
hex91d3eba7ebd

10021211111101 has 8 divisors (see below), whose sum is σ = 10240789184640. Its totient is φ = 9801898071648.

The previous prime is 10021211111089. The next prime is 10021211111111. The reversal of 10021211111101 is 10111111212001.

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 10021211111101 - 235 = 9986851372733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021211111111) 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, 66182071 + ... + 66333316.

It is an arithmetic number, because the mean of its divisors is an integer number (1280098648080).

Almost surely, 210021211111101 is an apocalyptic number.

It is an amenable number.

10021211111101 is a deficient number, since it is larger than the sum of its proper divisors (219578073539).

10021211111101 is a wasteful number, since it uses less digits than its factorization.

10021211111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132517043.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 10021211111101 its reverse (10111111212001), we get a palindrome (20132322323102).

The spelling of 10021211111101 in words is "ten trillion, twenty-one billion, two hundred eleven million, one hundred eleven thousand, one hundred one".

Divisors: 1 47 1609 75623 132515387 6228223189 213217257683 10021211111101