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120221100122001 = 3198720167941641
BaseRepresentation
bin11011010101011100100111…
…111101111001111110010001
3120202200000200011122222100220
4123111130213331321332101
5111224200303112401001
61103404451055503253
734215454635206634
oct3325344775717621
9522600604588326
10120221100122001
113534053395236a
12115977a3227b29
135210a55017b28
142198a375a7c1b
15dd7360202c36
hex6d5727f79f91

120221100122001 has 8 divisors (see below), whose sum is σ = 160375471937184. Its totient is φ = 80107064194080.

The previous prime is 120221100121949. The next prime is 120221100122027. The reversal of 120221100122001 is 100221001122021.

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

It is not a de Polignac number, because 120221100122001 - 27 = 120221100121873 is a prime.

It is a super-2 number, since 2×1202211001220012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120221100122041) 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, 10083964860 + ... + 10083976781.

It is an arithmetic number, because the mean of its divisors is an integer number (20046933992148).

Almost surely, 2120221100122001 is an apocalyptic number.

It is an amenable number.

120221100122001 is a deficient number, since it is larger than the sum of its proper divisors (40154371815183).

120221100122001 is a wasteful number, since it uses less digits than its factorization.

120221100122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20167943631.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120221100122001 its reverse (100221001122021), we get a palindrome (220442101244022).

The spelling of 120221100122001 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred million, one hundred twenty-two thousand, one".

Divisors: 1 3 1987 5961 20167941641 60503824923 40073700040667 120221100122001