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121200021100022 = 285371043388687
BaseRepresentation
bin11011100011101100010100…
…001101000101010111110110
3120220010121102212012010201012
4123203230110031011113312
5111341220120400200042
61105434304313432222
734346261336220254
oct3343542415052766
9526117385163635
10121200021100022
1135688705262037
1211715461a0b672
1352821611c16a7
1421d01802cb5d4
15e02a5610ce82
hex6e3b143455f6

121200021100022 has 8 divisors (see below), whose sum is σ = 182013161818656. Its totient is φ = 60528967160472.

The previous prime is 121200021100013. The next prime is 121200021100027. The reversal of 121200021100022 is 220001120002121.

121200021100022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1212000211000222 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200021100027) 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, 35521692638 + ... + 35521696049.

It is an arithmetic number, because the mean of its divisors is an integer number (22751645227332).

Almost surely, 2121200021100022 is an apocalyptic number.

121200021100022 is a deficient number, since it is larger than the sum of its proper divisors (60813140718634).

121200021100022 is an equidigital number, since it uses as much as digits as its factorization.

121200021100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71043389542.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121200021100022 its reverse (220001120002121), we get a palindrome (341201141102143).

The spelling of 121200021100022 in words is "one hundred twenty-one trillion, two hundred billion, twenty-one million, one hundred thousand, twenty-two".

Divisors: 1 2 853 1706 71043388687 142086777374 60600010550011 121200021100022