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10120102202221 = 115656511626461
BaseRepresentation
bin1001001101000100010100…
…0110001100101101101101
31022211110202022201021102021
42103101011012030231231
52311301432130432341
633305035532030141
72063103365253334
oct223210506145555
938743668637367
1010120102202221
113251a02954190
121175415902351
1358542457787b
1426db5bc7ad1b
151283a8d859d1
hex9344518cb6d

10120102202221 has 8 divisors (see below), whose sum is σ = 11040137798688. Its totient is φ = 9200070990000.

The previous prime is 10120102202167. The next prime is 10120102202237. The reversal of 10120102202221 is 12220220102101.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-10120102202221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120102202195 and 10120102202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120102202321) 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, 5408931 + ... + 7035391.

It is an arithmetic number, because the mean of its divisors is an integer number (1380017224836).

Almost surely, 210120102202221 is an apocalyptic number.

10120102202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10120102202221 is a deficient number, since it is larger than the sum of its proper divisors (920035596467).

10120102202221 is a wasteful number, since it uses less digits than its factorization.

10120102202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192123.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10120102202221 its reverse (12220220102101), we get a palindrome (22340322304322).

The spelling of 10120102202221 in words is "ten trillion, one hundred twenty billion, one hundred two million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 11 565651 1626461 6222161 17891071 920009291111 10120102202221