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121202020211101 = 1711373162687663
BaseRepresentation
bin11011100011101110001011…
…010111000101100110011101
3120220010210121011212111120021
4123203232023113011212131
5111341233214133223401
61105435234525352141
734346362022330404
oct3343561327054635
9526123534774507
10121202020211101
1135689540751855
121171591b408651
1352823bc41725b
1421d02cd9d463b
15e02b218972a1
hex6e3b8b5c599d

121202020211101 has 8 divisors (see below), whose sum is σ = 128332681236864. Its totient is φ = 114071484788160.

The previous prime is 121202020211087. The next prime is 121202020211117. The reversal of 121202020211101 is 101112020202121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121202020211101 - 29 = 121202020210589 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 (121202020211141) 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, 29410405 + ... + 33277258.

It is an arithmetic number, because the mean of its divisors is an integer number (16041585154608).

Almost surely, 2121202020211101 is an apocalyptic number.

It is an amenable number.

121202020211101 is a deficient number, since it is larger than the sum of its proper divisors (7130661025763).

121202020211101 is a wasteful number, since it uses less digits than its factorization.

121202020211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62801411.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121202020211101 its reverse (101112020202121), we get a palindrome (222314040413222).

The spelling of 121202020211101 in words is "one hundred twenty-one trillion, two hundred two billion, twenty million, two hundred eleven thousand, one hundred one".

Divisors: 1 17 113731 1933427 62687663 1065690271 7129530600653 121202020211101