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1010221122021 = 39291867194149
BaseRepresentation
bin11101011001101011101…
…11110000000111100101
310120120120001021012222220
432230311313300013211
5113022413101401041
62052031132342553
7132662135566416
oct16546567600745
93516501235886
101010221122021
1135a48353a181
12143955014a59
1374356a27337
1436c75ac980d
151b428c51d66
hexeb35df01e5

1010221122021 has 16 divisors (see below), whose sum is σ = 1349140584000. Its totient is φ = 672391991808.

The previous prime is 1010221122013. The next prime is 1010221122037. The reversal of 1010221122021 is 1202211220101.

It is not a de Polignac number, because 1010221122021 - 23 = 1010221122013 is a prime.

It is a super-2 number, since 2×10102211220212 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010221102021) 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 15 ways as a sum of consecutive naturals, for example, 5106255 + ... + 5300403.

It is an arithmetic number, because the mean of its divisors is an integer number (84321286500).

Almost surely, 21010221122021 is an apocalyptic number.

It is an amenable number.

1010221122021 is a deficient number, since it is larger than the sum of its proper divisors (338919461979).

1010221122021 is a wasteful number, since it uses less digits than its factorization.

1010221122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196948.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1010221122021 its reverse (1202211220101), we get a palindrome (2212432342122).

The spelling of 1010221122021 in words is "one trillion, ten billion, two hundred twenty-one million, one hundred twenty-two thousand, twenty-one".

Divisors: 1 3 929 1867 2787 5601 194149 582447 1734443 5203329 180364421 362476183 541093263 1087428549 336740374007 1010221122021