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12101002210121 = 111151955769861
BaseRepresentation
bin1011000000010111101111…
…1100000010101101001001
31120211211210122112222212112
42300011323330002231021
53041230323031210441
641423042413552105
72356161054435266
oct260057374025511
946754718488775
1012101002210121
113946008303230
1214353091a5635
1369a172a31466
142db997ba426d
1515eb951264eb
hexb017bf02b49

12101002210121 has 8 divisors (see below), whose sum is σ = 13212562572288. Its totient is φ = 10991353390000.

The previous prime is 12101002210103. The next prime is 12101002210127. The reversal of 12101002210121 is 12101220010121.

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 12101002210121 - 26 = 12101002210057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101002210096 and 12101002210105.

It is not an unprimeable number, because it can be changed into a prime (12101002210127) 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, 477872270 + ... + 477897591.

It is an arithmetic number, because the mean of its divisors is an integer number (1651570321536).

Almost surely, 212101002210121 is an apocalyptic number.

12101002210121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12101002210121 is a deficient number, since it is larger than the sum of its proper divisors (1111560362167).

12101002210121 is a wasteful number, since it uses less digits than its factorization.

12101002210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955771023.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12101002210121 its reverse (12101220010121), we get a palindrome (24202222220242).

The spelling of 12101002210121 in words is "twelve trillion, one hundred one billion, two million, two hundred ten thousand, one hundred twenty-one".

Divisors: 1 11 1151 12661 955769861 10513468471 1100091110011 12101002210121