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12101010021101 = 313690071057853
BaseRepresentation
bin1011000000010111110001…
…1001110101101011101101
31120211211211012020211112002
42300011330121311223231
53041230332031133401
641423043253222045
72356161211016651
oct260057431655355
946754735224462
1012101010021101
113946011758791
12143530b931925
1369a174537841
142db998c38a61
1515eb95b6aa6b
hexb017c675aed

12101010021101 has 8 divisors (see below), whose sum is σ = 12491410842624. Its totient is φ = 11710612053360.

The previous prime is 12101010021091. The next prime is 12101010021151. The reversal of 12101010021101 is 10112001010121.

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 12101010021101 - 238 = 11826132114157 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 (12101010021151) 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, 10910291 + ... + 11968143.

It is an arithmetic number, because the mean of its divisors is an integer number (1561426355328).

Almost surely, 212101010021101 is an apocalyptic number.

It is an amenable number.

12101010021101 is a deficient number, since it is larger than the sum of its proper divisors (390400821523).

12101010021101 is a wasteful number, since it uses less digits than its factorization.

12101010021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426891.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12101010021101 its reverse (10112001010121), we get a palindrome (22213011031222).

The spelling of 12101010021101 in words is "twelve trillion, one hundred one billion, ten million, twenty-one thousand, one hundred one".

Divisors: 1 31 369007 1057853 11439217 32793443 390355161971 12101010021101