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2211010101012 = 223184250841751
BaseRepresentation
bin100000001011001010011…
…110001011111100010100
321211101000002120121200110
4200023022132023330110
5242211122041213022
64411420215443020
7315511614524646
oct40131236137424
97741002517613
102211010101012
11782758619919
122b8612986470
131306609066cb
1479028d10896
153c7a7d3900c
hex202ca78bf14

2211010101012 has 12 divisors (see below), whose sum is σ = 5159023569056. Its totient is φ = 737003367000.

The previous prime is 2211010100989. The next prime is 2211010101049. The reversal of 2211010101012 is 2101010101122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 184250841751 = 2211010101012 / (2 + 2 + 1 + 1 + 0 + 1 + 0 + 1 + 0 + 1 + 0 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92125420864 + ... + 92125420887.

Almost surely, 22211010101012 is an apocalyptic number.

It is an amenable number.

2211010101012 is an abundant number, since it is smaller than the sum of its proper divisors (2948013468044).

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

2211010101012 is a wasteful number, since it uses less digits than its factorization.

2211010101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184250841758 (or 184250841756 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2211010101012 its reverse (2101010101122), we get a palindrome (4312020202134).

The spelling of 2211010101012 in words is "two trillion, two hundred eleven billion, ten million, one hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 184250841751 368501683502 552752525253 737003367004 1105505050506 2211010101012