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1002210002121 = 31687311979897
BaseRepresentation
bin11101001010110000101…
…11110000010011001001
310112210212201221011110110
432211120113300103021
5112410011230031441
62044224154304533
7132256461313626
oct16453027602311
93483781834413
101002210002121
11357042467229
1214229a128149
137367b0bc9c3
1436715b6934d
151b10a7abb16
hexe9585f04c9

1002210002121 has 8 divisors (see below), whose sum is σ = 1336288597344. Its totient is φ = 668135704160.

The previous prime is 1002210002099. The next prime is 1002210002153. The reversal of 1002210002121 is 1212000122001.

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 1002210002121 - 29 = 1002210001609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002210002097 and 1002210002106.

It is not an unprimeable number, because it can be changed into a prime (1002210002221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483756 + ... + 1496141.

It is an arithmetic number, because the mean of its divisors is an integer number (167036074668).

Almost surely, 21002210002121 is an apocalyptic number.

It is an amenable number.

1002210002121 is a deficient number, since it is larger than the sum of its proper divisors (334078595223).

1002210002121 is a wasteful number, since it uses less digits than its factorization.

1002210002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148631.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002210002121 its reverse (1212000122001), we get a palindrome (2214210124122).

The spelling of 1002210002121 in words is "one trillion, two billion, two hundred ten million, two thousand, one hundred twenty-one".

Divisors: 1 3 168731 506193 1979897 5939691 334070000707 1002210002121