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100120220101210 = 2510012022010121
BaseRepresentation
bin10110110000111100001110…
…001001110110101001011010
3111010111101210021122102212211
4112300330032021312221122
5101110332202321214320
6552534332200425334
730042306250142161
oct2660741611665132
9433441707572784
10100120220101210
11299a0824133621
12b28bb7717824a
1343b33b0b04aca
141aa1bb74903d8
15b89553c5055a
hex5b0f0e276a5a

100120220101210 has 8 divisors (see below), whose sum is σ = 180216396182196. Its totient is φ = 40048088040480.

The previous prime is 100120220101103. The next prime is 100120220101211. The reversal of 100120220101210 is 12101022021001.

It can be written as a sum of positive squares in 2 ways, for example, as 100077354953689 + 42865147521 = 10003867^2 + 207039^2 .

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

It is a super-2 number, since 2×1001202201012102 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100120220101211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006011005051 + ... + 5006011005070.

Almost surely, 2100120220101210 is an apocalyptic number.

100120220101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120220101210 is a deficient number, since it is larger than the sum of its proper divisors (80096176080986).

100120220101210 is a wasteful number, since it uses less digits than its factorization.

100120220101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012022010128.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100120220101210 its reverse (12101022021001), we get a palindrome (112221242122211).

The spelling of 100120220101210 in words is "one hundred trillion, one hundred twenty billion, two hundred twenty million, one hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 10012022010121 20024044020242 50060110050605 100120220101210