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1022220011111 = 1326048639119
BaseRepresentation
bin11101110000000010000…
…11111000011001100111
310121201112021021221110112
432320001003320121213
5113222001310323421
62101333522243235
7133565364505355
oct16700103703147
93551467257415
101022220011111
11364580602142
121461434b651b
1375519890300
14376934d87d5
151b8cc35345b
hexee010f8667

1022220011111 has 6 divisors (see below), whose sum is σ = 1106900958960. Its totient is φ = 943587702408.

The previous prime is 1022220011023. The next prime is 1022220011119. The reversal of 1022220011111 is 1111100222201.

It is not a de Polignac number, because 1022220011111 - 222 = 1022215816807 is a prime.

It is a super-2 number, since 2×10222200111112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022220011119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3024319391 + ... + 3024319728.

It is an arithmetic number, because the mean of its divisors is an integer number (184483493160).

Almost surely, 21022220011111 is an apocalyptic number.

1022220011111 is a deficient number, since it is larger than the sum of its proper divisors (84680947849).

1022220011111 is an equidigital number, since it uses as much as digits as its factorization.

1022220011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6048639145 (or 6048639132 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1022220011111 its reverse (1111100222201), we get a palindrome (2133320233312).

The spelling of 1022220011111 in words is "one trillion, twenty-two billion, two hundred twenty million, eleven thousand, one hundred eleven".

Divisors: 1 13 169 6048639119 78632308547 1022220011111