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1012202220101 = 73137101210101
BaseRepresentation
bin11101011101010111111…
…01000010101001000101
310120202200010001102122212
432232223331002221011
5113040442232020401
62052555502233205
7133062212624522
oct16565375025105
93522603042585
101012202220101
113602aa846516
12144208585805
13745b12b4017
1436dc2c64149
151b4e2b2ddbb
hexebabf42a45

1012202220101 has 8 divisors (see below), whose sum is σ = 1033557561624. Its totient is φ = 991049299200.

The previous prime is 1012202220097. The next prime is 1012202220167. The reversal of 1012202220101 is 1010222022101.

It can be written as a sum of positive squares in 4 ways, for example, as 75180156100 + 937022064001 = 274190^2 + 967999^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1012202220101 - 22 = 1012202220097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012202520101) 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, 50595050 + ... + 50615051.

It is an arithmetic number, because the mean of its divisors is an integer number (129194695203).

Almost surely, 21012202220101 is an apocalyptic number.

It is an amenable number.

1012202220101 is a deficient number, since it is larger than the sum of its proper divisors (21355341523).

1012202220101 is a wasteful number, since it uses less digits than its factorization.

1012202220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101210311.

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

Adding to 1012202220101 its reverse (1010222022101), we get a palindrome (2022424242202).

The spelling of 1012202220101 in words is "one trillion, twelve billion, two hundred two million, two hundred twenty thousand, one hundred one".

Divisors: 1 73 137 10001 101210101 7388337373 13865783837 1012202220101