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1112202210021 = 371723135452711
BaseRepresentation
bin10000001011110100011…
…010101110101011100101
310221022210021200021002020
4100023310122232223211
5121210242231210041
62210534425133353
7143232256541610
oct20136432565345
93838707607066
101112202210021
11399756174a91
1215b67632a259
1380b59abbca6
143bb8bcc1177
151dde6d65866
hex102f46aeae5

1112202210021 has 32 divisors (see below), whose sum is σ = 1872498290688. Its totient is φ = 572152247040.

The previous prime is 1112202210017. The next prime is 1112202210029. The reversal of 1112202210021 is 1200122022111.

It is not a de Polignac number, because 1112202210021 - 22 = 1112202210017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112202210029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67718145 + ... + 67734566.

It is an arithmetic number, because the mean of its divisors is an integer number (58515571584).

Almost surely, 21112202210021 is an apocalyptic number.

It is an amenable number.

1112202210021 is a deficient number, since it is larger than the sum of its proper divisors (760296080667).

1112202210021 is a wasteful number, since it uses less digits than its factorization.

1112202210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135452761.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1112202210021 its reverse (1200122022111), we get a palindrome (2312324232132).

The spelling of 1112202210021 in words is "one trillion, one hundred twelve billion, two hundred two million, two hundred ten thousand, twenty-one".

Divisors: 1 3 7 17 21 23 51 69 119 161 357 391 483 1173 2737 8211 135452711 406358133 948168977 2302696087 2844506931 3115412353 6908088261 9346237059 16118872609 21807886471 48356617827 52962010001 65423659413 158886030003 370734070007 1112202210021