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1022102121 = 3340700707
BaseRepresentation
bin111100111011000…
…000101001101001
32122020021011112010
4330323000221221
54043124231441
6245231110133
734220503365
oct7473005151
92566234463
101022102121
11484a4a4a7
12246372349
131339a8371
1499a622a5
155eaea116
hex3cec0a69

1022102121 has 4 divisors (see below), whose sum is σ = 1362802832. Its totient is φ = 681401412.

The previous prime is 1022102119. The next prime is 1022102141. The reversal of 1022102121 is 1212012201.

1022102121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1022102121 - 21 = 1022102119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022102097 and 1022102106.

It is not an unprimeable number, because it can be changed into a prime (1022102111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170350351 + ... + 170350356.

It is an arithmetic number, because the mean of its divisors is an integer number (340700708).

Almost surely, 21022102121 is an apocalyptic number.

It is an amenable number.

1022102121 is a deficient number, since it is larger than the sum of its proper divisors (340700711).

1022102121 is an equidigital number, since it uses as much as digits as its factorization.

1022102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340700710.

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

The square root of 1022102121 is about 31970.3318875485. The cubic root of 1022102121 is about 1007.3137522876.

Adding to 1022102121 its reverse (1212012201), we get a palindrome (2234114322).

The spelling of 1022102121 in words is "one billion, twenty-two million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 3 340700707 1022102121