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10210211202121 = 7291013593138599
BaseRepresentation
bin1001010010010100000000…
…0000110000010001001001
31100011002100011200202021221
42110211000000300101021
52314241003031431441
633414301204402041
72102443360155010
oct224450000602111
940132304622257
1010210211202121
113287143053537
12118a9830a6321
13590a84b41c18
1427426942da77
1512a8cea938d1
hex94940030449

10210211202121 has 32 divisors (see below), whose sum is σ = 12194183232000. Its totient is φ = 8363779468800.

The previous prime is 10210211202091. The next prime is 10210211202137. The reversal of 10210211202121 is 12120211201201.

It is not a de Polignac number, because 10210211202121 - 221 = 10210209104969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10210211202095 and 10210211202104.

It is not an unprimeable number, because it can be changed into a prime (10210211205121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73597980 + ... + 73736578.

It is an arithmetic number, because the mean of its divisors is an integer number (381068226000).

Almost surely, 210210211202121 is an apocalyptic number.

It is an amenable number.

10210211202121 is a deficient number, since it is larger than the sum of its proper divisors (1983972029879).

10210211202121 is a wasteful number, since it uses less digits than its factorization.

10210211202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142329.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10210211202121 its reverse (12120211201201), we get a palindrome (22330422403322).

The spelling of 10210211202121 in words is "ten trillion, two hundred ten billion, two hundred eleven million, two hundred two thousand, one hundred twenty-one".

Divisors: 1 7 29 101 203 707 2929 3593 20503 25151 104197 138599 362893 729379 970193 2540251 4019371 10523897 13998499 28135597 73667279 97989493 405956471 497986207 2841695297 3485903449 14441600003 50296606907 101091200021 352076248349 1458601600303 10210211202121