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1012101202220 = 22550605060111
BaseRepresentation
bin11101011101001011110…
…11101100000100101100
310120202102001222012011212
432232211323230010230
5113040240401432340
62052541453133552
7133056545162663
oct16564573540454
93522361865155
101012101202220
1136025881a269
1214419a78a2b8
13745963a5124
1436db3689dda
151b4d8d27a65
hexeba5eec12c

1012101202220 has 12 divisors (see below), whose sum is σ = 2125412524704. Its totient is φ = 404840480880.

The previous prime is 1012101202201. The next prime is 1012101202237. The reversal of 1012101202220 is 222021012101.

It is a junction number, because it is equal to n+sod(n) for n = 1012101202195 and 1012101202204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25302530036 + ... + 25302530075.

It is an arithmetic number, because the mean of its divisors is an integer number (177117710392).

Almost surely, 21012101202220 is an apocalyptic number.

1012101202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012101202220 is an abundant number, since it is smaller than the sum of its proper divisors (1113311322484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012101202220 is a wasteful number, since it uses less digits than its factorization.

1012101202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50605060120 (or 50605060118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012101202220 its reverse (222021012101), we get a palindrome (1234122214321).

The spelling of 1012101202220 in words is "one trillion, twelve billion, one hundred one million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 50605060111 101210120222 202420240444 253025300555 506050601110 1012101202220