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1021041232211 = 711213172153881
BaseRepresentation
bin11101101101110101100…
…11001100100101010011
310121121111010012202210202
432312322303030211103
5113212043023412321
62101020533045415
7133524232163240
oct16667263144523
93547433182722
101021041232211
11364026180100
12145a7478686b
137538c5b8cc0
14375c0b305c7
151b85db0a70b
hexedbaccc953

1021041232211 has 48 divisors (see below), whose sum is σ = 1382122440384. Its totient is φ = 733974912000.

The previous prime is 1021041232193. The next prime is 1021041232213. The reversal of 1021041232211 is 1122321401201.

It is not a de Polignac number, because 1021041232211 - 26 = 1021041232147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021041232213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18922991 + ... + 18976871.

It is an arithmetic number, because the mean of its divisors is an integer number (28794217508).

Almost surely, 21021041232211 is an apocalyptic number.

1021041232211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1021041232211 is a deficient number, since it is larger than the sum of its proper divisors (361081208173).

1021041232211 is a wasteful number, since it uses less digits than its factorization.

1021041232211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55644 (or 55633 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1021041232211 its reverse (1122321401201), we get a palindrome (2143362633412).

The spelling of 1021041232211 in words is "one trillion, twenty-one billion, forty-one million, two hundred thirty-two thousand, two hundred eleven".

Divisors: 1 7 11 13 77 91 121 143 847 1001 1573 1721 11011 12047 18931 22373 53881 132517 156611 208241 246103 377167 592691 700453 1457687 1722721 2707133 4148837 4903171 6519601 7704983 18949931 45637207 53934881 84754813 92729201 593283691 649104407 1020021211 1205479613 7140148477 8438357291 11220233321 13260275743 78541633247 92821930201 145863033173 1021041232211