Base | Representation |
---|---|
bin | 100000010100011110101… |
… | …001001111100001100001 |
3 | 21212022211011022220111220 |
4 | 200110132221033201201 |
5 | 242342113112020001 |
6 | 4420152515525253 |
7 | 316314516243501 |
oct | 40243651174141 |
9 | 7768734286456 |
10 | 2221012220001 |
11 | 786a20550963 |
12 | 2ba5445b9829 |
13 | 131595b86503 |
14 | 796d7465a01 |
15 | 3cb90eb4c36 |
hex | 2051ea4f861 |
2221012220001 has 8 divisors (see below), whose sum is σ = 2973740211840. Its totient is φ = 1474479520752.
The previous prime is 2221012219927. The next prime is 2221012220029. The reversal of 2221012220001 is 1000222101222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2221012220001 - 214 = 2221012203617 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2221012220071) 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, 1548822310 + ... + 1548823743.
It is an arithmetic number, because the mean of its divisors is an integer number (371717526480).
Almost surely, 22221012220001 is an apocalyptic number.
It is an amenable number.
2221012220001 is a deficient number, since it is larger than the sum of its proper divisors (752727991839).
2221012220001 is a wasteful number, since it uses less digits than its factorization.
2221012220001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3097646295.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 2221012220001 its reverse (1000222101222), we get a palindrome (3221234321223).
The spelling of 2221012220001 in words is "two trillion, two hundred twenty-one billion, twelve million, two hundred twenty thousand, one".
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