Search a number
-
+
1222010221011 = 312131369724517
BaseRepresentation
bin10001110010000101011…
…111000011000111010011
311022211012222211012001020
4101302011133003013103
5130010134104033021
62333214520010523
7154200360331416
oct21620537030723
94284188735036
101222010221011
11431284a03998
12178a00900a43
138b3095a8018
14432077a9b7d
1521bc21877c6
hex11c857c31d3

1222010221011 has 16 divisors (see below), whose sum is σ = 1630875770784. Its totient is φ = 813909233664.

The previous prime is 1222010220983. The next prime is 1222010221031. The reversal of 1222010221011 is 1101220102221.

It is not a de Polignac number, because 1222010221011 - 210 = 1222010219987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222010221031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49831125 + ... + 49855641.

It is an arithmetic number, because the mean of its divisors is an integer number (101929735674).

Almost surely, 21222010221011 is an apocalyptic number.

1222010221011 is a deficient number, since it is larger than the sum of its proper divisors (408865549773).

1222010221011 is a wasteful number, since it uses less digits than its factorization.

1222010221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39430.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222010221011 its reverse (1101220102221), we get a palindrome (2323230323232).

It can be divided in two parts, 12220102210 and 11, that added together give a palindrome (12220102221).

The spelling of 1222010221011 in words is "one trillion, two hundred twenty-two billion, ten million, two hundred twenty-one thousand, eleven".

Divisors: 1 3 1213 3639 13697 24517 41091 73551 16614461 29739121 49843383 89217363 335809349 1007428047 407336740337 1222010221011