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1121003131210 = 25222150472901
BaseRepresentation
bin10000010100000000111…
…111100101000101001010
310222011111122011101022021
4100110000333211011022
5121331303300144320
62214552015315054
7143663334253144
oct20240077450512
93864448141267
101121003131210
113a2462052376
1216131181ba8a
1381930248371
143c384ab3c94
151e25e81adaa
hex10500fe514a

1121003131210 has 16 divisors (see below), whose sum is σ = 2018714188392. Its totient is φ = 448199352000.

The previous prime is 1121003131207. The next prime is 1121003131211. The reversal of 1121003131210 is 121313001211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 700182359361 + 420820771849 = 836769^2 + 648707^2 .

It is not an unprimeable number, because it can be changed into a prime (1121003131211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25214241 + ... + 25258660.

Almost surely, 21121003131210 is an apocalyptic number.

1121003131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121003131210 is a deficient number, since it is larger than the sum of its proper divisors (897711057182).

1121003131210 is a wasteful number, since it uses less digits than its factorization.

1121003131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50475129.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1121003131210 its reverse (121313001211), we get a palindrome (1242316132421).

The spelling of 1121003131210 in words is "one trillion, one hundred twenty-one billion, three million, one hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 2221 4442 11105 22210 50472901 100945802 252364505 504729010 112100313121 224200626242 560501565605 1121003131210