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10110021012021 = 372471463311769
BaseRepresentation
bin1001001100011110110000…
…1101100000101000110101
31022210111201202011202021110
42103013230031200220311
52311120310334341041
633300251325105233
72062265513460300
oct223075415405065
938714652152243
1010110021012021
1132486aa325837
1211734816b8219
135844a8b01378
1426d483021b37
15127eb8cdb516
hex931ec360a35

10110021012021 has 24 divisors (see below), whose sum is σ = 16014484010880. Its totient is φ = 5654236671552.

The previous prime is 10110021011999. The next prime is 10110021012023. The reversal of 10110021012021 is 12021012001101.

It is not a de Polignac number, because 10110021012021 - 213 = 10110021003829 is a prime.

It is a super-2 number, since 2×101100210120212 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10110021011988 and 10110021012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110021012023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 731648976 + ... + 731662793.

It is an arithmetic number, because the mean of its divisors is an integer number (667270167120).

Almost surely, 210110021012021 is an apocalyptic number.

It is an amenable number.

10110021012021 is a deficient number, since it is larger than the sum of its proper divisors (5904462998859).

10110021012021 is a wasteful number, since it uses less digits than its factorization.

10110021012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463311833 (or 1463311826 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10110021012021 its reverse (12021012001101), we get a palindrome (22131033013122).

The spelling of 10110021012021 in words is "ten trillion, one hundred ten billion, twenty-one million, twelve thousand, twenty-one".

Divisors: 1 3 7 21 47 49 141 147 329 987 2303 6909 1463311769 4389935307 10243182383 30729547149 68775653143 71702276681 206326959429 215106830043 481429572001 1444288716003 3370007004007 10110021012021