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121010010022021 = 1071608417031383
BaseRepresentation
bin11011100000111011010110…
…101010010110000010000101
3120212110102222122211021011211
4123200323112222112002011
5111330112000031201041
61105211121532531421
734326453566545651
oct3340732652260205
9525412878737154
10121010010022021
1135615069a2987a
12116a4673620b71
13526a26c4b1563
1421c4cb6ac7a61
15decb34aa9481
hex6e0ed6a96085

121010010022021 has 8 divisors (see below), whose sum is σ = 122141721455424. Its totient is φ = 119878312973280.

The previous prime is 121010010022019. The next prime is 121010010022049. The reversal of 121010010022021 is 120220010010121.

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

It is a cyclic number.

It is not a de Polignac number, because 121010010022021 - 21 = 121010010022019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121010010021992 and 121010010022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010010022621) 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, 13694296 + ... + 20725678.

It is an arithmetic number, because the mean of its divisors is an integer number (15267715181928).

Almost surely, 2121010010022021 is an apocalyptic number.

It is an amenable number.

121010010022021 is a deficient number, since it is larger than the sum of its proper divisors (1131711433403).

121010010022021 is a wasteful number, since it uses less digits than its factorization.

121010010022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7192331.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121010010022021 its reverse (120220010010121), we get a palindrome (241230020032142).

The spelling of 121010010022021 in words is "one hundred twenty-one trillion, ten billion, ten million, twenty-two thousand, twenty-one".

Divisors: 1 107 160841 7031383 17209987 752357981 1130934673103 121010010022021