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10122212221201 = 48720784830023
BaseRepresentation
bin1001001101001100001011…
…0111010010000100010001
31022211200012101002100022101
42103103002313102010101
52311320242312034301
633310025145040401
72063206566156223
oct223230267220421
938750171070271
1010122212221201
113252895a05723
121175904486101
1358569c762b02
1426dcbc1b4413
1512847e22b701
hex934c2dd2111

10122212221201 has 4 divisors (see below), whose sum is σ = 10142997051712. Its totient is φ = 10101427390692.

The previous prime is 10122212221169. The next prime is 10122212221241. The reversal of 10122212221201 is 10212221222101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10122212221201 - 25 = 10122212221169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10122212221241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10392414525 + ... + 10392415498.

It is an arithmetic number, because the mean of its divisors is an integer number (2535749262928).

Almost surely, 210122212221201 is an apocalyptic number.

It is an amenable number.

10122212221201 is a deficient number, since it is larger than the sum of its proper divisors (20784830511).

10122212221201 is an equidigital number, since it uses as much as digits as its factorization.

10122212221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20784830510.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10122212221201 its reverse (10212221222101), we get a palindrome (20334433443302).

The spelling of 10122212221201 in words is "ten trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 487 20784830023 10122212221201