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1020230100121 = 1923191165231
BaseRepresentation
bin11101101100010100111…
…00111110010010011001
310121112101120220222202111
432312022130332102121
5113203412401200441
62100404235432321
7133465152523531
oct16661234762231
93545346828674
101020230100121
1136374a326601
12145888bb56a1
137529053919b
14375451084c1
151b8127d5081
hexed8a73e499

1020230100121 has 12 divisors (see below), whose sum is σ = 1111486508544. Its totient is φ = 935355259800.

The previous prime is 1020230100103. The next prime is 1020230100137. The reversal of 1020230100121 is 1210010320201.

It is not a de Polignac number, because 1020230100121 - 25 = 1020230100089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020230110121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45571425 + ... + 45593806.

It is an arithmetic number, because the mean of its divisors is an integer number (92623875712).

Almost surely, 21020230100121 is an apocalyptic number.

It is an amenable number.

1020230100121 is a deficient number, since it is larger than the sum of its proper divisors (91256408423).

1020230100121 is an equidigital number, since it uses as much as digits as its factorization.

1020230100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91165300 (or 91165281 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1020230100121 its reverse (1210010320201), we get a palindrome (2230240420322).

The spelling of 1020230100121 in words is "one trillion, twenty billion, two hundred thirty million, one hundred thousand, one hundred twenty-one".

Divisors: 1 19 31 361 589 11191 91165231 1732139389 2826122161 32910648391 53696321059 1020230100121