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1211201000110 = 251016389187699
BaseRepresentation
bin10001101000000001001…
…101001001001010101110
311021210022200100212112101
4101220001031021022232
5124321014424000420
62324230144525314
7153335455430023
oct21500115111256
94253280325471
101211201000110
11427738430282
121768a492083a
138a2a605991a
144289dd9b54a
152178d23060a
hex11a013492ae

1211201000110 has 32 divisors (see below), whose sum is σ = 2202103908000. Its totient is φ = 479605929600.

The previous prime is 1211201000099. The next prime is 1211201000143. The reversal of 1211201000110 is 110001021121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6359041 + ... + 6546739.

It is an arithmetic number, because the mean of its divisors is an integer number (68815747125).

Almost surely, 21211201000110 is an apocalyptic number.

1211201000110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211201000110 is a deficient number, since it is larger than the sum of its proper divisors (990902907890).

1211201000110 is a wasteful number, since it uses less digits than its factorization.

1211201000110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194196.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1211201000110 its reverse (110001021121), we get a palindrome (1321202021231).

The spelling of 1211201000110 in words is "one trillion, two hundred eleven billion, two hundred one million, one hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 101 202 505 1010 6389 12778 31945 63890 187699 375398 645289 938495 1290578 1876990 3226445 6452890 18957599 37915198 94787995 189575990 1199208911 2398417822 5996044555 11992089110 121120100011 242240200022 605600500055 1211201000110