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1112112021010 = 25138977800213
BaseRepresentation
bin10000001011101111000…
…010101011111000010010
310221022112222222012000111
4100023233002223320102
5121210101134133020
62210521444111534
7143230113131104
oct20135702537022
93838488865014
101112112021010
1139970a274711
1215b6500955aa
1380b44202003
143bb7dd25574
151dddde9cd5a
hex102ef0abe12

1112112021010 has 16 divisors (see below), whose sum is σ = 2001818543256. Its totient is φ = 444841051648.

The previous prime is 1112112021001. The next prime is 1112112021011. The reversal of 1112112021010 is 101202112111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 547986348121 + 564125672889 = 740261^2 + 751083^2 .

It is not an unprimeable number, because it can be changed into a prime (1112112021011) 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 7 ways as a sum of consecutive naturals, for example, 989664 + ... + 1789876.

Almost surely, 21112112021010 is an apocalyptic number.

1112112021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112112021010 is a deficient number, since it is larger than the sum of its proper divisors (889706522246).

1112112021010 is a wasteful number, since it uses less digits than its factorization.

1112112021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939197.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112112021010 its reverse (101202112111), we get a palindrome (1213314133121).

The spelling of 1112112021010 in words is "one trillion, one hundred twelve billion, one hundred twelve million, twenty-one thousand, ten".

Divisors: 1 2 5 10 138977 277954 694885 800213 1389770 1600426 4001065 8002130 111211202101 222422404202 556056010505 1112112021010