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1012210211101 = 26343122513967
BaseRepresentation
bin11101011101011000110…
…11100001100100011101
310120202200200002102020211
432232230123201210131
5113041001303223401
62053000345412421
7133062340556065
oct16565433414435
93522620072224
101012210211101
11360304304251
1214420b19a111
13745b2b5131b
1436dc3d443a5
151b4e36ab951
hexebac6e191d

1012210211101 has 16 divisors (see below), whose sum is σ = 1019125628928. Its totient is φ = 1005321510000.

The previous prime is 1012210211087. The next prime is 1012210211143. The reversal of 1012210211101 is 1011120122101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012210211101 - 25 = 1012210211069 is a prime.

It is a super-2 number, since 2×10122102111012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012210211801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255155620 + ... + 255159586.

It is an arithmetic number, because the mean of its divisors is an integer number (63695351808).

Almost surely, 21012210211101 is an apocalyptic number.

It is an amenable number.

1012210211101 is a deficient number, since it is larger than the sum of its proper divisors (6915417827).

1012210211101 is a wasteful number, since it uses less digits than its factorization.

1012210211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912.

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

Adding to 1012210211101 its reverse (1011120122101), we get a palindrome (2023330333202).

The spelling of 1012210211101 in words is "one trillion, twelve billion, two hundred ten million, two hundred eleven thousand, one hundred one".

Divisors: 1 263 431 2251 3967 113353 592013 970181 1043321 1709777 8929717 255157603 449671351 2348515571 3848708027 1012210211101