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1020212011021 = 7413554745683
BaseRepresentation
bin11101101100010010101…
…11111110000000001101
310121112100022212222011211
432312021113332000031
5113203343233323041
62100402352014421
7133464543003610
oct16661127760015
93545308788154
101020212011021
113637400a0a35
12145882b31411
1375289874788
143754295a177
151b810e10481
hexed895fe00d

1020212011021 has 8 divisors (see below), whose sum is σ = 1194394549824. Its totient is φ = 853138963680.

The previous prime is 1020212011009. The next prime is 1020212011061. The reversal of 1020212011021 is 1201102120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020212011021 - 213 = 1020212002829 is a prime.

It is a super-3 number, since 3×10202120110213 (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020212010992 and 1020212011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020212011061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777372555 + ... + 1777373128.

It is an arithmetic number, because the mean of its divisors is an integer number (149299318728).

Almost surely, 21020212011021 is an apocalyptic number.

It is an amenable number.

1020212011021 is a deficient number, since it is larger than the sum of its proper divisors (174182538803).

1020212011021 is an equidigital number, since it uses as much as digits as its factorization.

1020212011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554745731.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020212011021 its reverse (1201102120201), we get a palindrome (2221314131222).

The spelling of 1020212011021 in words is "one trillion, twenty billion, two hundred twelve million, eleven thousand, twenty-one".

Divisors: 1 7 41 287 3554745683 24883219781 145744573003 1020212011021