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121200222022102 = 2137442336576723
BaseRepresentation
bin11011100011101100100000…
…001011100010100111010110
3120220010121221212021000222201
4123203230200023202213112
5111341221023314201402
61105434340252115114
734346266326065026
oct3343544013424726
9526117855230881
10121200222022102
11356887a8714843
12117154b9165a9a
135282193a0c5b2
1421d019cc6da86
15e02a68a9a687
hex6e3b202e29d6

121200222022102 has 8 divisors (see below), whose sum is σ = 183127342763736. Its totient is φ = 60157774434192.

The previous prime is 121200222022091. The next prime is 121200222022147. The reversal of 121200222022102 is 201220222002121.

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

It is a super-2 number, since 2×1212002220221022 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121200222022102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221168288088 + ... + 221168288635.

It is an arithmetic number, because the mean of its divisors is an integer number (22890917845467).

Almost surely, 2121200222022102 is an apocalyptic number.

121200222022102 is a deficient number, since it is larger than the sum of its proper divisors (61927120741634).

121200222022102 is a wasteful number, since it uses less digits than its factorization.

121200222022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442336576862.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121200222022102 its reverse (201220222002121), we get a palindrome (322420444024223).

The spelling of 121200222022102 in words is "one hundred twenty-one trillion, two hundred billion, two hundred twenty-two million, twenty-two thousand, one hundred two".

Divisors: 1 2 137 274 442336576723 884673153446 60600111011051 121200222022102