Base | Representation |
---|---|
bin | 11101011010010011100… |
… | …011010000001000101010 |
3 | 21011012211122021002221111 |
4 | 131122103203100020222 |
5 | 231103213142333002 |
6 | 4144252444100534 |
7 | 266006664400240 |
oct | 35322343201052 |
9 | 7135748232844 |
10 | 2021110121002 |
11 | 70a169a78185 |
12 | 28785583474a |
13 | 118788c2462b |
14 | 6db7238a790 |
15 | 3789142d3d7 |
hex | 1d6938d022a |
2021110121002 has 16 divisors (see below), whose sum is σ = 3469107479040. Its totient is φ = 865103233968.
The previous prime is 2021110120993. The next prime is 2021110121003. The reversal of 2021110121002 is 2001210111202.
It is a super-2 number, since 2×20211101210022 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2021110121003) 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, 90556602 + ... + 90578917.
It is an arithmetic number, because the mean of its divisors is an integer number (216819217440).
Almost surely, 22021110121002 is an apocalyptic number.
2021110121002 is a deficient number, since it is larger than the sum of its proper divisors (1447997358038).
2021110121002 is a wasteful number, since it uses less digits than its factorization.
2021110121002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181136325.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2021110121002 its reverse (2001210111202), we get a palindrome (4022320232204).
The spelling of 2021110121002 in words is "two trillion, twenty-one billion, one hundred ten million, one hundred twenty-one thousand, two".
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