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11112210212001 = 383270716485907
BaseRepresentation
bin1010000110110100001101…
…0101111010010010100001
31110100022120000222001120020
42201231003111322102201
52424030301303241001
635344513501504053
72224554633224463
oct241550325722241
943308500861506
1011112210212001
1135a4730a74008
1212b5754872029
13627b527b97c2
142a5b960d4133
151440c2839736
hexa1b4357a4a1

11112210212001 has 16 divisors (see below), whose sum is σ = 15000329858304. Its totient is φ = 7316181308304.

The previous prime is 11112210211979. The next prime is 11112210212003. The reversal of 11112210212001 is 10021201221111.

It is a happy number.

It is not a de Polignac number, because 11112210212001 - 27 = 11112210211873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112210212003) 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, 7568911 + ... + 8916996.

It is an arithmetic number, because the mean of its divisors is an integer number (937520616144).

Almost surely, 211112210212001 is an apocalyptic number.

It is an amenable number.

11112210212001 is a deficient number, since it is larger than the sum of its proper divisors (3888119646303).

11112210212001 is a wasteful number, since it uses less digits than its factorization.

11112210212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16488700.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11112210212001 its reverse (10021201221111), we get a palindrome (21133411433112).

The spelling of 11112210212001 in words is "eleven trillion, one hundred twelve billion, two hundred ten million, two hundred twelve thousand, one".

Divisors: 1 3 83 249 2707 8121 224681 674043 16485907 49457721 1368330281 4104990843 44627350249 133882050747 3704070070667 11112210212001