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1220101011102 = 231387391465703
BaseRepresentation
bin10001110000010011101…
…011111111011010011110
311022122021221022021102010
4101300103223333122132
5124442231324323402
62332301235012050
7154102145322651
oct21602353773236
94278257267363
101220101011102
11430495238266
1217856943a026
138b093b9b40c
14430a5dc5898
1521b0e75aa6c
hex11c13aff69e

1220101011102 has 16 divisors (see below), whose sum is σ = 2440221275520. Its totient is φ = 406697128152.

The previous prime is 1220101011047. The next prime is 1220101011139. The reversal of 1220101011102 is 2011101010221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99583 + ... + 1565285.

It is an arithmetic number, because the mean of its divisors is an integer number (152513829720).

Almost surely, 21220101011102 is an apocalyptic number.

1220101011102 is an abundant number, since it is smaller than the sum of its proper divisors (1220120264418).

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

1220101011102 is a wasteful number, since it uses less digits than its factorization.

1220101011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604447.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1220101011102 its reverse (2011101010221), we get a palindrome (3231202021323).

The spelling of 1220101011102 in words is "one trillion, two hundred twenty billion, one hundred one million, eleven thousand, one hundred two".

Divisors: 1 2 3 6 138739 277478 416217 832434 1465703 2931406 4397109 8794218 203350168517 406700337034 610050505551 1220101011102