Search a number
-
+
2220021212110 = 25132192913118199
BaseRepresentation
bin100000010011100011100…
…100110110001111001110
321212020021002120111020221
4200103203210312033032
5242333100412241420
64415510315101554
7316251123643612
oct40234344661716
97766232514227
102220021212110
11786562109a79
122ba3087418ba
13131468777200
14796419b9342
153cb33eaccaa
hex204e39363ce

2220021212110 has 192 divisors, whose sum is σ = 4748103360000. Its totient is φ = 744015767040.

The previous prime is 2220021212051. The next prime is 2220021212161. The reversal of 2220021212110 is 112121200222.

It is a happy number.

It is a super-2 number, since 2×22200212121102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 121976791 + ... + 121994989.

It is an arithmetic number, because the mean of its divisors is an integer number (24729705000).

Almost surely, 22220021212110 is an apocalyptic number.

2220021212110 is an abundant number, since it is smaller than the sum of its proper divisors (2528082147890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220021212110 is a wasteful number, since it uses less digits than its factorization.

2220021212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18411 (or 18398 counting only the distinct ones).

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

Adding to 2220021212110 its reverse (112121200222), we get a palindrome (2332142412332).

The spelling of 2220021212110 in words is "two trillion, two hundred twenty billion, twenty-one million, two hundred twelve thousand, one hundred ten".