Search a number
-
+
10220210121021 = 3197113623152197
BaseRepresentation
bin1001010010111001001111…
…1111100110100100111101
31100012001011000102110102120
42110232103333212210331
52314421442242333041
633423033312113153
72103246222445035
oct224562377464475
940161130373376
1010220210121021
11329040419a27a
1211908b38357b9
135919b9541294
142749373908c5
1512acb77db366
hex94b93fe693d

10220210121021 has 16 divisors (see below), whose sum is σ = 13696329677184. Its totient is φ = 6778783053504.

The previous prime is 10220210121019. The next prime is 10220210121047. The reversal of 10220210121021 is 12012101202201.

It is not a de Polignac number, because 10220210121021 - 21 = 10220210121019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220210121721) 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, 67075095 + ... + 67227291.

It is an arithmetic number, because the mean of its divisors is an integer number (856020604824).

Almost surely, 210220210121021 is an apocalyptic number.

It is an amenable number.

10220210121021 is a deficient number, since it is larger than the sum of its proper divisors (3476119556163).

10220210121021 is a wasteful number, since it uses less digits than its factorization.

10220210121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266020.

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

Adding to 10220210121021 its reverse (12012101202201), we get a palindrome (22232311323222).

The spelling of 10220210121021 in words is "ten trillion, two hundred twenty billion, two hundred ten million, one hundred twenty-one thousand, twenty-one".

Divisors: 1 3 197 591 113623 152197 340869 456591 22383731 29982809 67151193 89948427 17293079731 51879239193 3406736707007 10220210121021