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121020210022 = 21961711174621
BaseRepresentation
bin111000010110101011…
…1011101101101100110
3102120101002212122112211
41300231113131231212
53440322133210042
6131332415034034
711512664545435
oct1605527355546
9376332778484
10121020210022
1147362831aa8
121b55550b91a
13b54867c43a
145c00a3511c
15323482a017
hex1c2d5ddb66

121020210022 has 32 divisors (see below), whose sum is σ = 191607043680. Its totient is φ = 57168840960.

The previous prime is 121020210013. The next prime is 121020210037. The reversal of 121020210022 is 220012020121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121020209984 and 121020210011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26186872 + ... + 26191492.

It is an arithmetic number, because the mean of its divisors is an integer number (5987720115).

Almost surely, 2121020210022 is an apocalyptic number.

121020210022 is a deficient number, since it is larger than the sum of its proper divisors (70586833658).

121020210022 is a wasteful number, since it uses less digits than its factorization.

121020210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121020210022 its reverse (220012020121), we get a palindrome (341032230143).

The spelling of 121020210022 in words is "one hundred twenty-one billion, twenty million, two hundred ten thousand, twenty-two".

Divisors: 1 2 19 38 617 1117 1234 2234 4621 9242 11723 21223 23446 42446 87799 175598 689189 1378378 2851157 5161657 5702314 10323314 13094591 26189182 54171983 98071483 108343966 196142966 3184742369 6369484738 60510105011 121020210022