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121422244411 = 1321699422881
BaseRepresentation
bin111000100010101010…
…1000110101000111011
3102121102010101010001101
41301011111012220323
53442133043310121
6131440340032231
711525646022366
oct1610525065073
9377363333041
10121422244411
1147549767426
121b648092677
13b5b0a53a00
145c3c1a90dd
153259c91491
hex1c45546a3b

121422244411 has 12 divisors (see below), whose sum is σ = 131558590200. Its totient is φ = 112015837440.

The previous prime is 121422244357. The next prime is 121422244429. The reversal of 121422244411 is 114442224121.

It is not a de Polignac number, because 121422244411 - 225 = 121388689979 is a prime.

It is a super-2 number, since 2×1214222444112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121422244411.

It is not an unprimeable number, because it can be changed into a prime (121422242411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75691 + ... + 498571.

It is an arithmetic number, because the mean of its divisors is an integer number (10963215850).

Almost surely, 2121422244411 is an apocalyptic number.

121422244411 is a deficient number, since it is larger than the sum of its proper divisors (10136345789).

121422244411 is a wasteful number, since it uses less digits than its factorization.

121422244411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424606 (or 424593 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

Adding to 121422244411 its reverse (114442224121), we get a palindrome (235864468532).

The spelling of 121422244411 in words is "one hundred twenty-one billion, four hundred twenty-two million, two hundred forty-four thousand, four hundred eleven".

Divisors: 1 13 169 1699 22087 287131 422881 5497453 71466889 718474819 9340172647 121422244411