Search a number
-
+
2210010122221 = 11427934694927
BaseRepresentation
bin100000001010001110110…
…111100100011111101101
321211021102101221102122221
4200022032313210133231
5242202100042402341
64411133054435341
7315445053042616
oct40121667443755
97737371842587
102210010122221
1178229510aa70
122b8393b02b51
131305316a6095
1478d721aac0d
153c74a15ded1
hex2028ede47ed

2210010122221 has 8 divisors (see below), whose sum is σ = 2410976985984. Its totient is φ = 2009052733920.

The previous prime is 2210010122219. The next prime is 2210010122249. The reversal of 2210010122221 is 1222210100122.

It is a happy number.

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 2210010122221 - 21 = 2210010122219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210010122195 and 2210010122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210010122251) 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, 1876741 + ... + 2818186.

It is an arithmetic number, because the mean of its divisors is an integer number (301372123248).

Almost surely, 22210010122221 is an apocalyptic number.

It is an amenable number.

2210010122221 is a deficient number, since it is larger than the sum of its proper divisors (200966863763).

2210010122221 is a wasteful number, since it uses less digits than its factorization.

2210010122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737731.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2210010122221 its reverse (1222210100122), we get a palindrome (3432220222343).

The spelling of 2210010122221 in words is "two trillion, two hundred ten billion, ten million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 11 42793 470723 4694927 51644197 200910011111 2210010122221