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121210101222122 = 2115509550055551
BaseRepresentation
bin11011100011110101101101…
…000001101100101011101010
3120220011120110100201101200202
4123203311231001230223222
5111341401241403101442
61105443052441432202
734350066205644323
oct3343655501545352
9526146410641622
10121210101222122
1135691a08220a60
12117173b579b662
1352830a9682993
1421d0858d4944a
15e02e46045c32
hex6e3d6d06caea

121210101222122 has 8 divisors (see below), whose sum is σ = 198343801999872. Its totient is φ = 55095500555500.

The previous prime is 121210101222043. The next prime is 121210101222151. The reversal of 121210101222122 is 221222101012121.

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

It is a super-2 number, since 2×1212101012221222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121210101222094 and 121210101222103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754775027754 + ... + 2754775027797.

It is an arithmetic number, because the mean of its divisors is an integer number (24792975249984).

Almost surely, 2121210101222122 is an apocalyptic number.

121210101222122 is a deficient number, since it is larger than the sum of its proper divisors (77133700777750).

121210101222122 is a wasteful number, since it uses less digits than its factorization.

121210101222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5509550055564.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121210101222122 its reverse (221222101012121), we get a palindrome (342432202234243).

The spelling of 121210101222122 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 11 22 5509550055551 11019100111102 60605050611061 121210101222122