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120220221020021 = 3531367924897083
BaseRepresentation
bin11011010101011011110011…
…100100011001011101110101
3120202122221101220110222011022
4123111123303210121131311
5111224142003040120041
61103404223533350525
734215424102030253
oct3325336344313565
9522587356428138
10120220221020021
11353401226a4001
1211597598938445
135210944b5a545
14219899292b5d3
15dd730ce5324b
hex6d56f3919775

120220221020021 has 8 divisors (see below), whose sum is σ = 120569606628480. Its totient is φ = 119870885233792.

The previous prime is 120220221019963. The next prime is 120220221020041. The reversal of 120220221020021 is 120020122022021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120220221020021 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 (120220221020041) 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, 7619855 + ... + 17277228.

It is an arithmetic number, because the mean of its divisors is an integer number (15071200828560).

Almost surely, 2120220221020021 is an apocalyptic number.

It is an amenable number.

120220221020021 is a deficient number, since it is larger than the sum of its proper divisors (349385608459).

120220221020021 is a wasteful number, since it uses less digits than its factorization.

120220221020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24911115.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120220221020021 its reverse (120020122022021), we get a palindrome (240240343042042).

The spelling of 120220221020021 in words is "one hundred twenty trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand, twenty-one".

Divisors: 1 353 13679 4828687 24897083 8788670299 340567198357 120220221020021