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1020110231021 = 7197670001737
BaseRepresentation
bin11101101100000110100…
…11101101010111101101
310121112002020101000021012
432312003103231113231
5113203141204343041
62100344314315005
7133462165616120
oct16660323552755
93545066330235
101020110231021
113636986a4132
12145854a28a65
1375271759a1b
14375332243b7
151b8070083eb
hexed834ed5ed

1020110231021 has 8 divisors (see below), whose sum is σ = 1227200278080. Its totient is φ = 828360187488.

The previous prime is 1020110231011. The next prime is 1020110231051. The reversal of 1020110231021 is 1201320110201.

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 1020110231021 - 26 = 1020110230957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020110230987 and 1020110231005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020110231011) 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, 3835000736 + ... + 3835001001.

It is an arithmetic number, because the mean of its divisors is an integer number (153400034760).

Almost surely, 21020110231021 is an apocalyptic number.

It is an amenable number.

1020110231021 is a deficient number, since it is larger than the sum of its proper divisors (207090047059).

1020110231021 is an equidigital number, since it uses as much as digits as its factorization.

1020110231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7670001763.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1020110231021 its reverse (1201320110201), we get a palindrome (2221430341222).

The spelling of 1020110231021 in words is "one trillion, twenty billion, one hundred ten million, two hundred thirty-one thousand, twenty-one".

Divisors: 1 7 19 133 7670001737 53690012159 145730033003 1020110231021