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1012210101011 = 5215051384641
BaseRepresentation
bin11101011101011000110…
…11000110101100010011
310120202200122212211020102
432232230123012230103
5113041001241213021
62053000343203015
7133062336620114
oct16565433065423
93522618784212
101012210101011
1136030423956a
1214420b14646b
13745b2b13195
1436dc3d1620b
151b4e368900b
hexebac6c6b13

1012210101011 has 8 divisors (see below), whose sum is σ = 1014356342448. Its totient is φ = 1010064640000.

The previous prime is 1012210100977. The next prime is 1012210101041. The reversal of 1012210101011 is 1101010122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1012210101011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012210100983 and 1012210101001.

It is not an unprimeable number, because it can be changed into a prime (1012210101041) 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, 2439251 + ... + 2823891.

It is an arithmetic number, because the mean of its divisors is an integer number (126794542806).

Almost surely, 21012210101011 is an apocalyptic number.

1012210101011 is a deficient number, since it is larger than the sum of its proper divisors (2146241437).

1012210101011 is an equidigital number, since it uses as much as digits as its factorization.

1012210101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390213.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1012210101011 its reverse (1101010122101), we get a palindrome (2113220223112).

The spelling of 1012210101011 in words is "one trillion, twelve billion, two hundred ten million, one hundred one thousand, eleven".

Divisors: 1 521 5051 384641 2631571 200397961 1942821691 1012210101011