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122021022101 = 11167383173431
BaseRepresentation
bin111000110100100000…
…1010000100110010101
3102122221212002011121212
41301221001100212111
53444344340201401
6132020005551205
711546536401056
oct1615101204625
9378855064555
10122021022101
114782675aa20
121b794715505
13b677b12134
145c9791472d
15329261bdbb
hex1c69050995

122021022101 has 16 divisors (see below), whose sum is σ = 134261342208. Its totient is φ = 109975431600.

The previous prime is 122021022091. The next prime is 122021022107. The reversal of 122021022101 is 101220120221.

It is a cyclic number.

It is not a de Polignac number, because 122021022101 - 210 = 122021021077 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 (122021022107) 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, 616856 + ... + 790286.

It is an arithmetic number, because the mean of its divisors is an integer number (8391333888).

Almost surely, 2122021022101 is an apocalyptic number.

122021022101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122021022101 is a deficient number, since it is larger than the sum of its proper divisors (12240320107).

122021022101 is a wasteful number, since it uses less digits than its factorization.

122021022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173992.

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

Adding to 122021022101 its reverse (101220120221), we get a palindrome (223241142322).

The spelling of 122021022101 in words is "one hundred twenty-two billion, twenty-one million, twenty-two thousand, one hundred one".

Divisors: 1 11 167 383 1837 4213 63961 173431 703571 1907741 28962977 66424073 318592747 730664803 11092820191 122021022101