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121100222022011 = 1747797149037439
BaseRepresentation
bin11011100010001111010111…
…101101110100000101111011
3120212210001211200121200121122
4123202033113231310011323
5111333101223314201021
61105320401325055455
734336126252106201
oct3342172755640573
9525701750550548
10121100222022011
113564a352289671
12116ba04b3b758b
1352759181ccacb
1421c93d3c0d071
15e00164860bab
hex6e23d7b7417b

121100222022011 has 8 divisors (see below), whose sum is σ = 128226448028160. Its totient is φ = 113974294186368.

The previous prime is 121100222021971. The next prime is 121100222022029. The reversal of 121100222022011 is 110220222001121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121100222022011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100222022041) 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, 73706171 + ... + 75331268.

It is an arithmetic number, because the mean of its divisors is an integer number (16028306003520).

Almost surely, 2121100222022011 is an apocalyptic number.

121100222022011 is a deficient number, since it is larger than the sum of its proper divisors (7126226006149).

121100222022011 is a wasteful number, since it uses less digits than its factorization.

121100222022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149085253.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121100222022011 its reverse (110220222001121), we get a palindrome (231320444023132).

The spelling of 121100222022011 in words is "one hundred twenty-one trillion, one hundred billion, two hundred twenty-two million, twenty-two thousand, eleven".

Divisors: 1 17 47797 812549 149037439 2533636463 7123542471883 121100222022011