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1220222022103 = 72312351341687
BaseRepresentation
bin10001110000011010111…
…001100111000111010111
311022122121101000021022001
4101300122321213013113
5124443003314201403
62332321240420131
7154105145024500
oct21603271470727
94278541007261
101220222022103
1143054757a657
121785a1a77647
138b0b2c8a566
14430b80c5ba7
1521b1a1b0c1d
hex11c1ae671d7

1220222022103 has 24 divisors (see below), whose sum is σ = 1465857921024. Its totient is φ = 1011732246000.

The previous prime is 1220222022029. The next prime is 1220222022203. The reversal of 1220222022103 is 3012202220221.

It is a de Polignac number, because none of the positive numbers 2k-1220222022103 is a prime.

It is a super-4 number, since 4×12202220221034 (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220222022203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3400326 + ... + 3742012.

It is an arithmetic number, because the mean of its divisors is an integer number (61077413376).

Almost surely, 21220222022103 is an apocalyptic number.

1220222022103 is a deficient number, since it is larger than the sum of its proper divisors (245635898921).

1220222022103 is a wasteful number, since it uses less digits than its factorization.

1220222022103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344083 (or 344076 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1220222022103 its reverse (3012202220221), we get a palindrome (4232424242324).

The spelling of 1220222022103 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, twenty-two thousand, one hundred three".

Divisors: 1 7 31 49 217 1519 2351 16457 72881 115199 341687 510167 2391809 3571169 10592297 16742663 74146079 519022553 803306137 5623142959 24902490247 39362000713 174317431729 1220222022103