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101220211120202 = 2614094614400309
BaseRepresentation
bin10111000000111100101010…
…101110100101100001001010
3111021101120001112210220222122
4113000330222232211201022
5101231342443021321302
6555135531213451242
730214630122423056
oct2700745256454112
9437346045726878
10101220211120202
112a28528340aa99
12b4291a3aa0b22
134463042a87275
141add12769ac66
15ba7e83a2a3a2
hex5c0f2aba584a

101220211120202 has 32 divisors (see below), whose sum is σ = 155032249957200. Its totient is φ = 49550988326400.

The previous prime is 101220211120183. The next prime is 101220211120219. The reversal of 101220211120202 is 202021112022101.

It can be written as a sum of positive squares in 8 ways, for example, as 15804926242681 + 85415284877521 = 3975541^2 + 9242039^2 .

It is a super-4 number, since 4×1012202111202024 (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20802824 + ... + 25203132.

Almost surely, 2101220211120202 is an apocalyptic number.

101220211120202 is a deficient number, since it is larger than the sum of its proper divisors (53812038836998).

101220211120202 is a wasteful number, since it uses less digits than its factorization.

101220211120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401242.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101220211120202 its reverse (202021112022101), we get a palindrome (303241323142303).

The spelling of 101220211120202 in words is "one hundred one trillion, two hundred twenty billion, two hundred eleven million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 61 122 409 461 818 922 24949 28121 49898 56242 188549 377098 4400309 8800618 11501489 23002978 268418849 536837698 1799726381 2028542449 3599452762 4057084898 109783309241 123741089389 219566618482 247482178778 829673861641 1659347723282 50610105560101 101220211120202