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1000112202221 = 112231482124247
BaseRepresentation
bin11101000110110110101…
…01010010000111101101
310112121110112112212222212
432203123111102013231
5112341212210432341
62043240055220205
7132153466312136
oct16433325220755
93477415485885
101000112202221
113561662a1100
121419b3677665
13734055c23a2
14365972d2c8d
151b03652b5eb
hexe8db5521ed

1000112202221 has 24 divisors (see below), whose sum is σ = 1147217108352. Its totient is φ = 869568242400.

The previous prime is 1000112202161. The next prime is 1000112202239. The reversal of 1000112202221 is 1222022110001.

It is a de Polignac number, because none of the positive numbers 2k-1000112202221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000112202196 and 1000112202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000112202281) 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, 41234720 + ... + 41258966.

It is an arithmetic number, because the mean of its divisors is an integer number (47800712848).

Almost surely, 21000112202221 is an apocalyptic number.

1000112202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000112202221 is a deficient number, since it is larger than the sum of its proper divisors (147104906131).

1000112202221 is a wasteful number, since it uses less digits than its factorization.

1000112202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39113 (or 39102 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1000112202221 its reverse (1222022110001), we get a palindrome (2222134312222).

The spelling of 1000112202221 in words is "one trillion, one hundred twelve million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 11 23 121 253 2783 14821 24247 163031 266717 340883 557681 1793341 2933887 3749713 6134491 41246843 67479401 359364787 3953012657 8265390101 43483139227 90919291111 1000112202221