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20222002122211 = 1918164365913877
BaseRepresentation
bin1001001100100010011010…
…10000001100110111100011
32122121012112002121210202101
410212101031100030313203
510122304130020402321
6111001505354031231
74154664030643531
oct446211520146743
978535462553671
1020222002122211
11649711501430a
1223271ab718517
13b38c07a18b26
144dca704b3151
15251049c07791
hex12644d40cde3

20222002122211 has 32 divisors (see below), whose sum is σ = 21471286636800. Its totient is φ = 18991979072640.

The previous prime is 20222002122191. The next prime is 20222002122227. The reversal of 20222002122211 is 11222120022202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20222002122211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222002122281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1457224605 + ... + 1457238481.

It is an arithmetic number, because the mean of its divisors is an integer number (670977707400).

Almost surely, 220222002122211 is an apocalyptic number.

20222002122211 is a deficient number, since it is larger than the sum of its proper divisors (1249284514589).

20222002122211 is a wasteful number, since it uses less digits than its factorization.

20222002122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15379.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20222002122211 its reverse (11222120022202), we get a palindrome (31444122144413).

The spelling of 20222002122211 in words is "twenty trillion, two hundred twenty-two billion, two million, one hundred twenty-two thousand, two hundred eleven".

Divisors: 1 19 181 643 659 3439 12217 12521 13877 116383 119279 263663 423737 2211277 2266301 2511737 8051003 8922911 9144943 47723003 76696397 169535309 173753917 1457231543 1615046891 1655234683 5880198349 30685890929 31449458977 111723768631 1064315901169 20222002122211