Search a number
-
+
22101102202 = 211050551101
BaseRepresentation
bin10100100101010101…
…000000111001111010
32010001021010022121211
4110211111000321322
5330230340232302
614053023153334
71411454161204
oct244525007172
963037108554
1022101102202
119411550223
12434974584a
132112a9038a
1410d937b774
1589544ead7
hex525540e7a

22101102202 has 4 divisors (see below), whose sum is σ = 33151653306. Its totient is φ = 11050551100.

The previous prime is 22101102169. The next prime is 22101102223. The reversal of 22101102202 is 20220110122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20220110122 = 210110055061.

It can be written as a sum of positive squares in only one way, i.e., 21193827561 + 907274641 = 145581^2 + 30121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525275549 + ... + 5525275552.

Almost surely, 222101102202 is an apocalyptic number.

22101102202 is a deficient number, since it is larger than the sum of its proper divisors (11050551104).

22101102202 is a wasteful number, since it uses less digits than its factorization.

22101102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050551103.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22101102202 its reverse (20220110122), we get a palindrome (42321212324).

The spelling of 22101102202 in words is "twenty-two billion, one hundred one million, one hundred two thousand, two hundred two".

Divisors: 1 2 11050551101 22101102202