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122011221002221 = 1995099120243521
BaseRepresentation
bin11011101111011111110011…
…011111001000011111101101
3121000000011021202220212012101
4123233133303133020133231
5111443012440034032341
61111255103042535101
734462006540504345
oct3357376337103755
9530004252825171
10122011221002221
1135970739480051
1211826713067491
1353107bb617315
14221b535cbbd25
15e18bd27c9831
hex6ef7f37c87ed

122011221002221 has 8 divisors (see below), whose sum is σ = 122648392440000. Its totient is φ = 121374290062080.

The previous prime is 122011221002207. The next prime is 122011221002269. The reversal of 122011221002221 is 122200122110221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122011221002221 - 215 = 122011220969453 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 (122011221002821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59107060 + ... + 61136461.

It is an arithmetic number, because the mean of its divisors is an integer number (15331049055000).

Almost surely, 2122011221002221 is an apocalyptic number.

It is an amenable number.

122011221002221 is a deficient number, since it is larger than the sum of its proper divisors (637171437779).

122011221002221 is a wasteful number, since it uses less digits than its factorization.

122011221002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120248819.

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

Adding to 122011221002221 its reverse (122200122110221), we get a palindrome (244211343112442).

The spelling of 122011221002221 in words is "one hundred twenty-two trillion, eleven billion, two hundred twenty-one million, two thousand, two hundred twenty-one".

Divisors: 1 199 5099 1014701 120243521 23928460679 613121713579 122011221002221